Science Chapter 9 Lesson 1 & 2

Question 1

Energy

Answer 1

The ability to do work or cause change is called energy

Question 2

Electrical energy

Answer 2

Electrical energy is the movement of electric charges. it powers things that use Electricity, such as a lamp

Question 3

Light energy

Answer 3

Is energy we can see

Question 4

Heat

Answer 4

Heat is the transfer of energy from a warmer object to a cold Object heat isused to cook food in the kitchen

Question 5

Mechanical energy

Answer 5

Mechanical energy is energy that motion or position gives to an object.

Question 6

Sound energy

Answer 6

Sound energy is energy we can hear musical Instruments produce sound energy

Question 7

Stored energy

Answer 7

Energy that can be stored as you stand ready to jump run or snowboard your body has stored energy stored energy makes movement possible.

Question 8

Potential energy

Answer 8

Potential energy changes into another kind of energy if you use it to do work or cause a change

Question 9

Kinetic energy

Answer 9

Kinetic energy or the energy of motion

Question 10

Wave

Answer 10

A wave is a disturbance that carries energy from one point to another point

Question 11

How potential energy changes to kinetic energy

Answer 11

Potential energy changes to kinetic energy when you release a stretched spring.

Question 12

Changing forms of energy

Answer 12

Or you can change from one form to another people change energy into forms that they could easily use your body changes energy into forms that are useful for you for body stores potential energy from food as chemical energy the chemical energy stored in your body changes to kinetic energy as you move objects for me.

Question 13

Chemical energy

Answer 13

The stored energy in food, fuels, and batteries is chemical energy.