Energy

Question 1

Natural Gas

Answer 1

a waste of coal and oil that comes from fossil fuels

Question 2

Coal

Answer 2

a fossil fuel formed from land plants

Question 3

Mechanical Energy

Answer 3

the sum of a system’s potential and kinetic energy

Question 4

Temperature

Answer 4

A way to measure how fast the particles in an object or substance are moving on average.

Question 5

Combustion Motor

Answer 5

a machine that turns chemical energy into mechanical energy
Ex: Car engine

Question 6

Photovoltaics

Answer 6

panels get energy from the sun and turn it intoelectricity

Question 7

Potential Energy

Answer 7

energy that is stored in the position or configuration of objects
Ex: ball on top of a hill

Question 8

Oil

Answer 8

a fossil fuel made from sea creatures

Question 9

Convection

Answer 9

the movement of heat by a fluid, like air or water, that is moving.

Question 10

Kinetic Energy

Answer 10

the energy of motion
Ex: Person running

Question 11

Dark Energy

Answer 11

a source of energy that hasn’t been found but is thought to be what makes the Universe grow bigger and bigger.

Question 12

Photosynthesis

Answer 12

process by which plants use light, water, and carbon dioxide to make their own food (sugar) and oxygen

Question 13

Heat

Answer 13

the thermal energy transferred from a hot object to a cooler object

Question 14

Greenhouse Gases

Answer 14

When there are a lot of these gases in the Earth’s atmosphere, they trap the sun’s heat and warm the world.
Ex:Carbon dioxide

Question 15

Solar Energy

Answer 15

energy from the sun in the form of electromagnetic radiation

Question 16

Generator

Answer 16

A device that turns mechanical energy into electrical energy by using electromagnetic induction.

Question 17

Radiation

Answer 17

heat transfer by an electromagnetic wave
Ex: standing by a hot fire

Question 18

Hydroelectric Energy

Answer 18

gravity pulls water from higher elevations to lower elevations, collecting energy along the way.

Question 19

Acid Rain

Answer 19

Rain with a pH that is lower than 7. Acid rain breaks down a lot of things, including rocks. Cause by pollution

Question 20

Joule (J)

Answer 20

The units of heat and energy in the SI system (metric system).

Question 21

Turbine

Answer 21

a device that transforms kinetic energy into mechanical energy

Question 22

Thermal Energy

Answer 22

The amount of energy an item has on the inside because its atoms or molecules are moving, vibrating, or spinning.

Question 23

Nuclear Fusion

Answer 23

a process in which the nuclei of light elements, like hydrogen, fuse together to make the nuclei of heavy elements, like helium.
Ex: reactions within the sun

Question 24

Conduction

Answer 24

Transfer of thermal energy through a solid or between two materials that are touching

Question 25

Chemical Energy

Answer 25

Energy stored in the bonds of chemical compounds