6th Grade

Question 1

Kinetic Energy

Answer 1

The energy that is in use, it is the energy of motion

Question 2

What are the six sources of energy?

Answer 2

•fossil fuels
•wood
•wind
•water(hydropower)
•the sun(solar power)
•the earth’s interior(convection and radiation)
-the convection and radiation from the earth’s surface powers the circulation of the atmosphere

Question 3

What are the two factors of wood,wind,solar, and geothermal energy?

Answer 3

• take relatively short periods to replenish

* renewable resource

Question 4

What are the four factors of fossil fuels?

Answer 4

• stored solar energy(coal and petroleum)
• rich in carbon and hydrogen
• nonrenewable
• major source of energy in modern industrial society

Question 5

The energy coming from the sun is responsible for powering the motion of the ______, the ______, and _______.

Answer 5

Atmosphere,oceans,life processes

Question 6

About ____ of the energy striking the earth is absorbed by the earth’s surface.

Answer 6

1/2

Question 7

About ___ of the sun’s energy is reflected back into space.

Answer 7

1/3

Question 8

Incoming solar radiation is about equal to the outgoing energy. The ________ _________ is caused by excess carbon dioxide and other gases that disrupt the balance.

Answer 8

Greenhouse Effect

Question 9

What is the energy conversion?

Answer 9

Chemical>light and heat>mechanical>electrical

Question 10

Reactant

Answer 10

Starting material

Question 11

Product

Answer 11

Ending material

Question 12

Mass of reactants=mass of products

Answer 12

Law of conservation of mass

Question 13

Coefficient

Answer 13

The number in front of the substance that tells the number of units of substances

Question 14

You NEVER change a _________!

Answer 14

Subscript

Question 15

What exists in all three states?

Answer 15

Water

Question 16

Water has a high surface tension. True or false?

Answer 16

True

Question 17

What are the layers of the atmosphere?

Answer 17

Troposphere,stratosphere,mesosphere,and thermosphere

Question 18

As altitude increases, temperature increases. True or false?

Answer 18

False. Temperature decreases.

Question 19

Fronts

Answer 19

Boundaries between air masses

Question 20

Cumulus cloud

Answer 20

Looks like cotton

Question 21

Stratus cloud

Answer 21

Rain clouds

Question 22

Cirrus cloud

Answer 22

Looks like feathery wisps

Question 23

What is made up of the living and nonliving community?

Answer 23

Ecosystem

Question 24

Abiotic factors

Answer 24

Nonliving chemical and physical factors in the environment

Question 25

Watershed

Answer 25

The land that water flows across or through on its way to a stream,lake,wetland,or other body of water

Question 26

Estuary

Answer 26

A place where salt water and fresh water meet

Question 27

Neutralization

Answer 27

The process of making an acid or base have a pH of neutral

Question 28

Acid

Answer 28

Any compound that increases the number of hydrogen ions when dissolved in water, it tastes sour

Question 29

Base

Answer 29

Any compound that increases the number of hydroxide ions when dissolved in water, it tastes bitter and feels slippery

Question 30

What does the solar system consist of?

Answer 30

The sun, moon, earth, planets, meteors, asteroids, and comets

Question 31

Potential Energy

Answer 31

The energy that is not in use, it is stored energy