Energy

Question 1

What is energy necessary for?

Answer 1

To produce heat or motion

Question 2

What is energy measured in?

Answer 2

Joules

Question 3

What are the different forms of energy?

Answer 3

Chemical energy
Mechanical energy
Thermal energy
Radiant energy 
(Electrical energy)

Question 4

What is chemical energy?

Answer 4

A form of energy found in the bonds that keep atoms of a molecule together

Question 5

What is mechanical energy?

Answer 5

A form of energy related to movement

Question 6

What is thermal energy?

Answer 6

A form of energy caused by the motion of the particles in matter (heat and cold)

Question 7

What is radiant energy?

Answer 7

A form of energy contained in light and other electromagnetic waves

Question 8

Energy can either be ______ or ______.

Answer 8

Transformed

Transferred

Question 9

What happens when energy is transferred?

Answer 9

A small amount of energy is lost and released into the environment in the form of thermal energy

Question 10

Why do we need to eat?

Answer 10

To get nutrients and energy from foods

Question 11

How do nutrients provide energy to our body?

Answer 11

They are oxidized

Question 12

What is cellular respiration?

Answer 12

We breathe in oxygen, which is used to oxidize the nutrients from our food (burn calories in our food). The reaction produces CO2 (waste product we exhale), H20 and energy (used by the body).

Question 13

What does cellular respiration allow?

Answer 13

It allows the chemical energy stored in the bonds between the atoms and molecule to be released