Energy

1
Energy

• Test Review

2
Which form of energy is needed to change water
from a liquid to a gas?
The answer is
Heat
3
Which energy transformation occurs when a person
hits a drum with a drumstick?
The answer is
Mechanical to Sound
4
A girl signals her friend by shining a flashlight
on a mirror. Her friend can see the signal
because___
The answer is
Light energy can be reflected from one object to
another
5
What form of energy causes an ice cube to melt?
The answer is
Heat
6
When a baby hits a metal spoon on a pot, it makes
a noise.Which form of energy was changed from
sound energy?The answer is.

mechanical
7
When a person is sawing a piece of wood into
smaller pieces, he is using ____________ energy.
The answer is
mechanical
8
Identify the two types of energy seen in the
picture below
Light and heat
9
What kind of energy is being used when a child
pushes a toy car across the floor?
The answer is

• mechanical

10
What form of energy causes water to change from
a liquid to gas?
The answer is
Heat
11
What type of energy does a child need to pedal a
tricycle?
The answer is
mechanical
12
All energy originally comes from the ____________.
Sun
13
Which circuits worked, open circuits or closed
circuits?
closed circuits
14
Which material is the best conductor of
electricity?
metal
15
What force pulls objects down to the ground on
Earth?
gravity
16
Finish this statementThe attraction of magnets
gets _____________ the closer they get to each
other.
stronger
17
Finish this statementWhen I rub my hands
together outside they get warmer. This is true
because I created _________.
friction
18
Which circuits worked, open circuits or closed
circuits?
closed circuits
19
What measuring tool do you use to measure the
volume of a liquid?
Graduated cylinder
20
What measuring tool do you use to measure the
temperature?
thermometer