Nature's Chemistry - Energy

Question 1

Define Energy?

Answer 1

Energy is the capacity to do work and cannot be created or destroyed. It can only be converted from one form into another.

Question 2

Name the 7 most common types of energy

Answer 2

1. Light
2. Heat
3. Sound
4. Electrical
5. Kinetic (movement/motion)
6. Potential (stresses)
7. Chemical

Question 3

Where do humans get their energy from?

Answer 3

We get our energy from food to complete daily tasks

Question 4

What type of energy does our food contain?

Answer 4

It contains chemical energy. In order to use this energy, our bodies need to release it.

Question 5

Name the 3 elements that make up carbohydrates

Answer 5

1. Carbon
2. Hydrogen
3. Oxygen

Question 6

Define Carbohydrates

Answer 6

Carbohydates are compounds that have a lot of chemical energy stored in the chemical bonds that hold the elements together.

Question 7

Describe a simple carbohydrate

Answer 7

Simple, small carbohydrates are quickly broken down and release energy quickly.

Question 8

Describe a complex carbohydrate

Answer 8

Complex carbohydrates need to be broken down into sugar molecules first before the body can use them. They release energy slowly

Question 9

Name a simple carbohydrate

Answer 9

Glucose (sugar)

Question 10

Name a complex carbohydrate

Answer 10

Starch

Question 11

What process releases energy from carbohydrates?

Answer 11

Cellular Respiration

Question 12

What do high carbohydrate foods have more of?

Answer 12

Energy