When one end of a steel rod is held - PowerPoint PPT Presentation

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When one end of a steel rod is held

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When one end of a steel rod is held in a flame, the other end of the rod gets hot. This happened because steel _____. makes its own heat – PowerPoint PPT presentation

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Title: When one end of a steel rod is held


1
When one end of a steel rod is held in a flame,
the other end of the rod gets hot. This happened
because steel ____________.
  1. makes its own heat
  2. is a good conductor of heat
  3. makes the flame hotter
  4. keeps cold away from the flame

2
B. is a good conductor of heat
3
Christine was in a hurry to cool a bottle of
water. She placed the glass bottle in the
freezer and then forgot about it. The next day
she ______________.
  • took the cold bottle of water from the freezer
  • and drank it.
  • found the water was frozen and the lid on the
  • bottle was hard to remove.
  • found the water froze and contracted. There
  • seemed to be less water than when she put
    the
  • bottle in the freezer.
  • found the water froze, expanded, popped the
  • lid and broke the glass bottle.

4
  • found the water froze, expanded, popped the
  • lid and broke the glass bottle.

5
In order for heat to travel by conduction, a warm
object _____________.
  • warms air that carries the heat to another
  • cooler object
  • must be far away from the cool object it
  • is warming
  • must be near a cooler object to warm it
  • must touch a cooler object to warm it

6
D. must touch a cooler object to warm it
7
When will a metal spoon get too hot to touch?
  • When picked up from the kitchen counter
  • When placed in an empty pot on the kitchen
  • counter
  • When placed in a pot of cool water for a few
  • minutes
  • When placed in a pot of hot water for a few
  • minutes

8
  • When placed in a pot of hot water
  • for a few minutes

9
Molly wanted to find something in the kitchen at
home that produced heat. Which one of the
following objects did she find that produced
useful heat?
  • Refrigerator
  • Clock
  • Stove
  • mixer

10
C. Stove
11
Which is the best and safest way to stop a fire
in a frying pan from burning?
  1. Smother it with a blanket.
  2. Use a fire extinguisher.
  3. Pour water on it.
  4. Cover it with salt or sand.

12
D. Cover it with salt or sand.
13
What is the boiling point?
  1. 32 degrees F
  2. 98.6 degrees F
  3. 212 degrees F
  4. 100 degrees F

14
C. 212 degrees F
15
Fire safety instructors say that if
clothing catches on fire, drop and roll or use
a fire blanket. What will happen as a result of
these instructions?
  • The fire will be smothered and can
  • no longer burn.
  • B. The fire will spread to some other
  • area and off of the person.
  • C. The person can roll away from the fire.
  • D. The fire will be insulated.

16
  • The fire will be smothered and can no
  • longer burn.

17
Maria wants to do an experiment about animals.
She gets three jars and covers one with feathers,
one with scales, and one with fur. She put ice
cream in each jar. Maria found out that the ice
cream stayed frozen the longest in the
jar covered with fur. What did Maria learn about
the skin coverings of animals?
  1. Animals with fur cant eat ice cream.
  2. Animals with fur can keep warm best.
  3. Scales dont protect animals from enemies.
  4. Fur is bad for animals who are cold-blooded.

18
B. Animals with fur can keep warm best.
19
A student fills two pans with water. One pan is
put outside in the sun. The other pan is placed
in the shade. Soon the pan in the sun had no
water left in it. What causes this to
happen? A. The sun warmed
the water. B. The wind was
blowing C. The water was
moving. D. Evaporation cant
happen in the shade.
20
A. The sun warmed the water.
21
Mr. Rosss science class is doing an experiment.
Each student fills a plastic cup with ice and
cold water. They let it sit on their desks
while they go to lunch. When the students
return, they notice that the outsides of their
cups are wet. What has happened when drops of
water form on the outside of a cup of water?
A. precipitation
B. evaporation
C. condensation
D. leaking
22
C. condensation
23
Anything that gives off heat is a source of
heat. The major source of heat for the Earth is
_______________.
A. the moon
B. the sun C.
fire D.
electricity
24
B. the sun
25
Burt used a spoon to stir soup that was cooking
on the stove. Which spoon will stay the coolest
while he stirs?
A. an iron spoon
B. an aluminum spoon
C. a wooden spoon
D. a silver spoon
26
C. a wooden spoon
27
What causes matter to change states?
A. energy from the air B.
energy from water C. energy from
heat D. energy from your brain
28
C. energy from heat
29
The scouts camped in tents. At midnight Brian
heard some noises. He turned on his flashlight.
The noises stopped. In the morning Brian found
that the cooler was open. Some candy bars were
gone. These prints were on the ground. What
could Brian infer about the noises?
A. It was made by the wind.
B. Someone was playing a joke.
C. A bear opened the
cooler. D. There are
raccoons in the forest.
30
C. A bear opened the cooler.
31
What does predict mean? A. to guess
B. to tell what might happen in the future
C. to observe D. to give a scientific
answer
32
B. To tell what might happen in the future
33
Predict what would happen if you never did your
homework. A.
Your grades would drop.
B. Your parents would be angry.
C. You wouldnt learn very much.
D. All of the above.
34
D. All of the above.
35
Conner tested 3 different brands of paper towels
to see which one absorbs the most water. What
can you conclude from looking at the bar graph
below? A. Brand 1 holds the most. B. Brand 2
holds the most. C. Brand 3 holds the most. D.
They all hold the same amount.
36
A. Brand 1 holds the most.
37
While at recess, you find an empty potato chip
bag. What inference can you make? A.
The bag is wrinkled. B. Someone left the
bag after a picnic. C. There are 10 ants
on the bag. D. The wind will blow the
bag away.
38
B. Someone left the bag after a picnic.
39
Debbie is watching a nest of baby birds. The
birds have become so large that they do not have
enough room in the nest. Use this information
to make a prediction. A. The birds will
stay healthy. B. Soon the birds will
learn to fly and leave the nest. C. The
mother bird will move the babies to a new nest.
D. The mother bird has stopped feeding the
babies.
40
  • Soon the birds will learn to fly
  • and leave the nest.

41
In a scientific experiment, what is the first
thing you should do after asking the
question? A. make a
hypothesis B. collect data
C. design your experiment
D. construct a graph
42
A. Make a hypothesis
43
Which unit of measure would be best to measure
cough medicine? A. liter
B. milliliter
C. second D. kilogram
44
B. milliliter
45
Which do scientists use to measure the amount of
a liquid? A. balance
B. thermometer C.
graduated cylinder D. ruler
46
C. Graduated cylinder
47
The objects below can be classified by solids
and liquids. Which two things can be classified
together? A. 2 and 5 B. 3 and 4 C. 1 and
5 D. 4 and 5
48
D. 4 and 5
49
Which device would probably be used to measure
the temperature of the water in a swimming
pool? A. measuring tape
B. scale C. thermometer
D. graduated cylinder
50
C. thermometer
51
Rick and Carol collected a basket of shells.
They wanted to sort the shells into 2 groups.
What would be the best way to sort them?
A. by shape B. by
age C. by the number of lines
D. by where they were found
52
A. By shape
53
Lightning started a fire in the forest. The
birds flew and rabbits ran away from the fire.
The next year, there were still no birds or
rabbits. Why didnt the birds and rabbits come
back? A. The forest soil was gone after the
fire. B. There were no good homes for them.
C. They were afraid there would be another fire.

D. The insects took over the burned area.
54
B. There were no good homes for them.
55
You collected a pile of rocks from the
playground. You separate them based on
bumpiness or smoothness. You are sorting by
_______________. A.
color B. weight
C. texture
D. smell
56
C. texture
57
Last week eight of your fish died. Two are
still alive. What is the best explanation for
what happened? A. The fish will
get better. B. The fish got
lonely. C. The fish have a
disease. D. Two fish died Sunday.
58
C. The fish have a disease.
59
  • Jequeeze did an experiment in class.
  • The results he got did not match his
  • hypothesis. What should he do?
  • A. Report his results exactly as he observed
    them.
  • Make up new results that prove his hypothesis
  • is correct.
  • C. Change experiments.
  • D. None of the above.

60
A. Report his results exactly as he observed
them.
61
Isabels science project was about different
earth materials changing temperature from the
suns heat. In her experiment, she placed four
different earth materials under a heat lamp.
They were all kept there for the same length of
time. Her data is shown in the graph. Which
earth material changed temperature the most? A.
air B. water C. soil D. rock
62
C. soil
63
What measuring device could you use to measure
the temperature of hot chocolate?
A. thermometer B.
ruler C. graduated
cylinder D. stopwatch
64
A. Thermometer
65
On a sunny summer day, Davids dog was found
sleeping under some bushes in his backyard.
Which question can David ask, investigate and
answer using only a thermometer? A. What is the
difference in the air temperature in the
shady and sunny parts of the yard? B. Why is the
dog sleeping in the shade? C. Why is the dog not
sleeping in the sunshine? D. Why is it cooler in
the shade than in the sun?
66
A. What is the difference in the air temperature
in the shady and sunny parts of the yard?
67
Which will tell you most about the mass of an
object? A. touching
it B. weighing it
C. looking at it
D. taking it apart
68
B. weighing it
69
If a scientist wanted to find out how tall a
plant grows each day, the scientist would
_______________. A. give the plant a
half cup of water each day B. put the
plant in a sunny place each day C. measure
the plant with a ruler each day D. put the
plant on a scale each day and weigh it
70
C. measure the plant with a ruler each day
71
A student is investigating plant growth. The
student can change the amount of light, heat,
water and the richness of the soil. During the
investigations, the amounts of light, heat, and
water remain the same. Only the richness of the
soil changes. What is the variable in this
experiment? A.
light B. water
C. heat
D. soil
72
D. Soil
73
Predict what will happen if water sits around
long enough. A. it
will boil B. it will
evaporate C. it will
turn to ice D. all of
the above
74
B. it will evaporate
75
Many fossil shells and sharks teeth are found
in areas that are now dry land. What does this
tell you about that areas past environment?
A. It had been a desert.
B. It had been under water.
C. It had been a swamp. D.
It had been near a large lake.
76
B. It had been under water.
77
When plants and animals die, what kind of living
thing will break them down into nutrients?
A. producer
B. decomposer C. predator
D. herbivore
78
B. decomposer
79
Which part of a non-mammals life cycle is most
like the life cycle of a plant? A. Eggs
are like roots. B. Young leave their
mother. C. Eggs are like seeds. D.
Young get nutrients from their mother.
80
C. Eggs are like seeds.
81
Builders must fence in their land. They must
plant grass before they are done. Why is it
important for builders to follow these laws?
A. The cost of homes is less. B. There
could be nails on the ground. C. Digging
causes soil erosion. D. Builders damage
rivers and lakes.
82
C. Digging causes soil erosion.
83
Which is true of all kinds of rocks? A. All
rocks are made of mineral. B. All rocks are
made of layers of sand and bits of rocks
pressed together in layers. C. All rocks are
formed from high heat and great pressure
deep in the earth. D. All rocks form from
melted material deep in the earth that
cools and hardens.
84
A. All rocks are made of mineral.
85
Hardness, color, and shape are examples of a
minerals ________________.
A. price B.
health C. weight
D. properties
86
D. properties
87
Jeremys favorite television programs are
science programs. After seeing a program about
dinosaurs and how they lived, he was convinced
that he wanted to study them and to be a
_______________. A.
paleontologist B.
volcanologist C.
meteorologist D.
oceanographer
88
A. paleontologist
89
A natural disaster hit a small valley town.
Freshwater was polluted, hills were greatly
eroded, burrowing animals died in their tunnels,
and buildings and bridges broke and fell down.
Afterwards, everything was covered with mud.
What happened? A. an
earthquake B. a volcanic
eruption C. a drought
D. a flood
90
D. a flood
91
What process is slowly changing the Earths
surface? A. erosion
B. earthquake C.
volcanic eruption D. landslide
92
A. erosion
93
Which soil layer contains large rocks that have
not or have just started to weather?
A. ground plants B.
topsoil C. subsoil
D. bedrock
94
D. bedrock
95
Soil helps trees because soil ________________.
A. makes food for the trees
B. gives nutrients to the trees C.
turns the roots into new trees D.
moves the tree seeds to new places
96
B. gives nutrients to the trees
97
A seismograph instrument records movements of
the earth. Many small recordings on the graph
may help a seismologist predict a major
_______________. A.
hurricane B. earthquake
C. flood
D. drought
98
B. earthquake
99
Water on Earth can be found as solid ice, as
liquid, and as a gas called water vapor. Which
of the following describes water as a liquid?
A. has a definite shape
B. is found in the air C.
can be poured D. is frozen
100
C. can be poured
101
Ten plants were placed in sandy soil and ten
others were placed in clay soil. Both groups of
plants were kept at room temperature, given the
same amount of water, and placed in a sunny
room. This experiment tests the effect of
_______________. A. sunlight on
plant growth B. temperature on
plant growth C. different soils on
plant growth D. water on plant
growth
102
C. different soils on plant growth
103
A large, high area of land that is flat on top
is a _______________.
A. plateau B. plain
C. mountain
D. hill
104
A. plateau
105
A student scratches a mineral with her
fingernail and a penny. What physical property
is being studied? A.
shininess/luster B. hardness
C. dissolving rate D.
color
106
B. hardness
107
Your family wants to have a garden. Your soil
is very sandy and dry. Nothing has grown very
well there. What should you do to make your
soil richer to grow better vegetables and
flowers? A. Water it well. B. Leave it
like it is. C. Fertilize it, add humus, and
mulch as well. D. Change the temperature of
the soil.
108
C. Fertilize it, add humus, and mulch as well.
109
Which activity of people helps slow changes to
the Earths surface by preventing erosion?
A. building roads through or around mountains
B. strip mining for coal or iron ore C.
cutting steps in hillsides to do terrace farming
D. cutting down the whole forest on a hillside
110
C. cutting steps in hillsides to do terrace
farming
111
Iron is found in the crust of the Earth. If
this iron rusts, what color will it give the
soil where it is found?
A. dark black B. red,
orange C. brown
D. tan
112
B. red, orange
113
Granite and basalt are common igneous rocks of
the Earth. Igneous rocks are formed when rock
material is ____________. A. heated,
deposited and cooled B. pressed down
with other rocks C. hardened D.
heated and pressed together
114
A. heated, deposited and cooled
115
Which of the following resources on the Earth
that humans use is renewable?
A. Gold B. Copper
C. Wood
D. Aluminum
116
C. Wood
117
A student uses a coin to scrape against a rock.
What property of the rock is being studied?
A. color
B. hardness C.
shininess D. temperature
118
B. hardness
119
Which of the following causes rocks to
weather? A. water
B. wind
C. plant roots D. all
of the above
120
D. all of the above
121
The stinger on a wasp is used to __________.
A. attract other wasps
B. carry food C.
protect the wasp D. build its
home
122
C. protect the wasp
123
Why do some animals migrate? A. to escape from
hunters B. to move their eggs to a safe place C.
to find food in the winter D. to hibernate
124
C. to find food in the winter
125
Which animal below would live in a dry, desert
habitat?
A.
C.
D.
B.
126
C.
127
How does a plant differ from an animal? A.
Plants get energy from the sun and make their
own food. B. Plants do not need air. C.
Animals do not need oxygen. D. Animals and
plants do not have the same need for water.
128
A. Plants get energy from the sun and make their
own food.
129
Body parts that help us run, jump and throw a
ball are _______________. A. the heart, blood,
and blood vessels B. the brain, spinal cord, and
nerves C. the bones, joints, and muscles D. the
skin, hair, and nails
130
C. the bones, joints, and muscles
131
The insect, sometimes called a walking stick,
uses camouflage for protection. To which
habitat is it best adapted? A.
the sandy desert floor B. leafy
tropical palm trees C. the woody
twigs of trees or shrubs D. pine
needles on a forest floor
132
C. the woody twigs of trees or shrubs
133
Animals escape from their enemies in many ways.
Some fish have a spot on their tails. This spot
looks like the eye of the fish. This fake eye
tricks predators. They attack the tail of the
fish. They think that it is the head. What is
this type of adaptation called?
A. mimicry
B. camouflage C.
metamorphosis D.
migration
134
A. mimicry
135
What adaptation does the dandelion plant have
that has helped it spread all over the United
States? A. a large yellow flower
B. very few leaves C. roots that go
deep D. seeds that blow in the wind
136
D. seeds that blow in the wind
137
What adaptation helps some grasses survive in
areas that get little rain? A.
deep roots B. tall stems
C. broad leaves D.
thick stems
138
A. deep roots
139
Which inherited trait helps a monkey learn how
to swing from trees so well?
A. his brain B. his
keen eyesight C. his
grasping tail D. his fur
140
C. his grasping tail
141
The longest bone in the body helps support your
weight. It also helps you stand and walk. This
bone is found in what part of your body?
A. the arm B.
the back C. the leg
D. the foot
142
C. the leg
143
Which picture shows plants commonly found in a
desert habitat?
B.
A.
C.
144
A.
145
Seeds are planted in five different pots of the
same size and shape. The seeds are all given
the same amount of water. The pot where the
seeds were planted farthest apart grew the
tallest plants. What plant need is shown by
this experiment? A. Water is needed for
healthy plants. B. Soil is needed for
healthy plants. C. Space is needed for
healthy plants. D. A pot is needed for
healthy plants.
146
C. Space is needed for healthy plants.
147
A lion was hunting for his dinner. A zebra saw
the lion and knew he had to hide. What would be
the best hiding place for the zebra?
A. the woods
B. the rivers edge C. a
field D. tall grass
148
D. tall grass
149
Some plants protect themselves from being eaten
with _______________. A. brightly
colored flowers B. camouflage C.
thorns D. claws
150
B. camouflage
151
Which animal is a carnivore? A. a lion that
eats deer and sheep B. a rabbit that eats grass
and weeds C. a bear that eats berries and
fish D. a person who eats salad and steak
152
A. a lion that eats deer and sheep
153
An organism which feeds only on producers is
_______________. A. a
carnivore B. an
herbivore C. an
omnivore D. a monster
154
B. an herbivore
155
To adapt means to _______________. A. move
to another area B. have special structures
or behavior suited to your
surroundings C. grow gills D. all of
the above
156
B. have special structures or behavior
suited to your surroundings
157
Some plants need insects to pollinate them.
Which of the following is a property of flowers
that attracts insects? A. They make
nectar. B. They are scented.
C. They have bright colors. D. All of
the above
158
D. All of the above
159
The arctic fox uses camouflage to hide from its
enemies. In the summer its coat is shades of
gray and brown to blend in with the landscape.
What will its coat look like in the winter?
A. more brown than gray B. more gray
than brown C. the same as spring, summer
and fall D. white
160
D. white
161
Which animal is an omnivore? A. A lion that
eats deer and sheep. B. A rabbit that eats grass
and weeds. C. A bear that eats berries and
fish. D. A shark that eats fish and seals.
162
C. A bear that eats berries and fish.
163
What kind of energy is produced when a tuning
fork is struck against a surface?
  1. Light engery
  2. Electric energy
  3. Sound energy
  4. Wind energy

164
C. Sound energy
165
Through which kind of matter does sound move
fastest? A. Solid
B. Liquid
C. Gas D. All of the above
166
A. Solid
167
Through which material does sound travel
slowest? A. Wood
B. Plastic
C. Water D. air
168
D. air
169
A tool that communicates by sound must have
_______. A. A surface that is smooth
B. A surface that is rough C. A surface
that is cold D. A surface that vibrates
170
D. A surface that vibrates
171
If you tighten the strings on a guitar, the
sound will become ________.
A. louder B. softer
C. higher D. lower
172
C. higher
173
The loudness of the sound depends on the energy
a sound has. The more energy, the louder the
sound. Which of the following sounds has the
most energy? A. A whisper
B. The chirp of a bird
C. A cars horn D. A cough
174
C. A cars horn
175
Which of the following tools would be used to
measure how far a ball rolls?
A. Tuning fork B. Meter tape
C. Forceps D.
Graduated cylinder
176
B. Meter tape
177
Which means of air transportation moves with
greater speed? A. A hot air balloon
B. A jet plane C. A helicopter
D. A parachute
178
B. A jet plane
179
A push or pull is called a ___________.
A. position B.
block C. force
D. surface
180
C. force
181
Gravity is the force that causes objects to
___________. A. float
B. fall
C. vibrate D. stop
182
B. fall
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