Energy and Motion Test

Question 1

What is energy?

Answer 1

The ability to cause change or do work.

Question 2

What are the 2 main types of energy?

Answer 2

Potential and kinetic.

Question 3

What is potential energy?

Answer 3

Stored enery; energy that has the potential to do something.

Question 4

Potential energy fact:

Answer 4

PE (potential energy) has the ability to do work, perform a function, or carry out an action.

Question 5

Examples of potential energy:

Answer 5

• A parked car (not running/stationary)
• Chemicals in a bottle (have the ability to change/cause a chemical reaction)
• Frozen pizza (has the potential to give you energy)

Question 6

What is kinetic energy?

Answer 6

Moving energy; energy that is in motion.

Question 7

Kinetic energy fact:

Answer 7

KE (kinetic energy) is the work, function, or action, actually being done/taking place.

Question 8

Examples of kinetic energy:

Answer 8

• Baking soda and vinegar mixed together producing bubbles
• A person riding a bike
• MARS Rover taking pictures of the landscape

Question 9

What are the forms of energy?

Answer 9

Mechanical energy, electrical energy, heat energy, light energy, chemical energy, atomic energy, and sound energy.

Question 10

How many forms of energy are there?

Answer 10

There are 7 forms of energy.

Question 11

What is mechanical energy?

Answer 11

The energy in moving things that are working or moving.

Question 12

Examples of mechanical energy:

Answer 12

• A clock
• A car engine
• Falling water

Question 13

What is electrical energy?

Answer 13

The E (energy) of moving electrons.

Question 14

Examples of electrical energy:

Answer 14

• e’s (electrons) moving in circuits
• A radio
• A refrigerator
• A smart phone

Question 15

What is heat energy?

Answer 15

The energy of moving molecules.

Question 16

Examples of heat energy:

Answer 16

• Molecules in boiling water
• A portable heater
• A fire pit

Question 17

What is light energy?

Answer 17

The energy of photons (particles of light E)

Question 18

Examples of light energy:

Answer 18

• The sun
• A lamp
• A star
• A glow stick

Question 19

What is chemical energy?

Answer 19

The E stored in chemicals.

Question 20

Examples of chemical energy:

Answer 20

• Baking soda
• Gasoline
• A glow stick
• Pizza
• Gatorade

Question 21

What is atomic energy?

Answer 21

The E stored in the nucleus of an atom.

Question 22

Examples of atomic energy:

Answer 22

• Nuclear power plant
• Atom bomb

Question 23

What is sound energy?

Answer 23

The E of sound waves.

Question 24

Examples of sound energy:

Answer 24

• SInging
• A car horn
• An alarm clock

Question 25

What is energy change/transformation?

Answer 25

When one form of energy changes into another.

• The arrows represent that a change/transformation is taking place. (—>)

Question 26

What is position?

Answer 26

An object’s distance & direction from a reference point.

Question 27

What is motion?

Answer 27

The state in which one object’s distance and direction from another is changing.

Question 28

Motion fact:

Answer 28

Motion depends on one’s point of view!

Question 29

What is a reference point?

Answer 29

A place of object used for comparison to determine if something is in motion. (the starting point you choose to describe the position of location of an object)

Question 30

What is displacement?

Answer 30

The shortest distance/movement between two points. (a comparison between your starting position & your ending position)

Question 31

What is distance?

Answer 31

The total movement/distance from one point to the next point.