Question 1

1
Question 1

• What is the name and symbol of the unit of energy
  used in science?

2
Question 2

• Is energy supplied or released when bonds break?

3
Question 3

• Are all bond energies the same?

4
Question 4
Does this energy level diagram show an exothermic
or an endothermic reaction?
5
Question 5

• How many joules are there in one calorie?

6
Question 6

• What could happen if someone eats more food than
  they need?

7
Question 7

• Is energy supplied or released when bonds are
  made?

8
Question 8

• What do we call the minimum amount of energy
  needed for a reaction to start?

9
Question 9
Does this energy level diagram show an exothermic
or an endothermic reaction?
10
Question 10

• The reaction below is exothermic. Which involves
  the most energy, bond breaking or bond making?