Unit 4 - 6th Grade science

Transformations

100

Which action in the science laboratory transforms chemical energy to heat energy? 

F. burning a candle

G. growing potted plants near a window

H. using a hot plate to boil a beaker of alcohol

J. using a water heater element in a tropical fish aquarium

F. burning a candle

200

What energy transformation produces electricity without any pollution? 

A. burning natural gas in a power plant to transform energy into electricity

B. use batteries in a flashlight to transform chemical energy into electricity

C. spinning windmills to transform mechanical energy into electricity

D. capturing the energy of nuclear power to transform chemical energy into electricity

C. spinning windmills to transform mechanical energy into electricity

300

A light bulb transforms electrical energy to which type of energy? 

A. nuclear energy

B. thermal energy

C. chemical energy

D. mechanical energy

B. thermal energy

400

Which of these types of energy conversions occur in a battery-powered flashlight?

F. thermal to mechanical

G. light to electrical

H. thermal to chemical

J. chemical to electrical

J. chemical to electrical

500

Energy transformation occurs when a fan is plugged into an electrical outlet and is able to cool you off. How do you describe this energy transformation?

F. chemical energy to heat energy

G. electrical energy to heat energy

H. heat energy to nuclear energy

J. electric energy to kinetic energy

J. electric energy to kinetic energy

Potential and kinetic

100

The energy related to the motion of an object is called —

F. potential energy

G. kinetic energy

H. electrical energy

J. chemical energy

G. kinetic energy

200

Which of the following objects has the most potential energy?

A. a rolling ball

B. a boulder at the edge of a cliff

C. a car going through a green light

D. a skydiver that is free-falling from an airplane

B. a boulder at the edge of a cliff

300

A mountain climber stops at a ledge halfway up a cliff wall. The climber sets up a small gas stove and begins to cook soup in a small metal bowl. Which of the following would MOST increase the kinetic energy of the bowl?

F. Holding it over the edge of the cliff.

G. Dropping it off the ledge.

H. Carrying it to the top of the mountain.

J. Bending it into a new shape.

G. Dropping it off the ledge.

400

A rock that falls off a cliff represents both potential and kinetic energy. Which statement best represents the energy transformation involved in this scenario?

A. As the potential energy decreases, the kinetic energy decreases.

B. As the potential energy increases, the kinetic energy increases.

C. As the potential energy decreases, the kinetic energy increases.

D. As the potential energy increases, the kinetic energy stays the same.

C. As the potential energy decreases, the kinetic energy increases.

500

Which of the following examples represents the GREATEST amount of potential energy?

F. the spring on a screen door fully stretched

G. water spilling over a cliff

H. yeast growing in a Petri dish

J. a helium balloon rising in the air

F. the spring on a screen door fully stretched

Renewable/Nonrenewable

100

Which of the following energy sources is MOST likely to have a negative effect on air quality?

A. coal

B. geothermal

C. sunlight

D. wind

A. coal

200

Wind power is used to pump water from the ground and generate electricity. Likely environmental impacts of using wind power are:

A. the release of carbon dioxide into the atmosphere

B. disturbing native plant and animal populations

C. a reduction in the use of fossil fuels

B. disturbing native plant and animal populations

C. a reduction in the use of fossil fuels

300

Which of these types of renewable energy is the LEAST directly dependent on the sun?

F. geothermal

G. hydroelectric

H. solar

J. wind

F. geothermal

400

Which of the following resources carries a high potential for environmental damage?

A. wind

B. trees

C. geothermal

D. nuclear

D. nuclear

500

A town is considering new sources of electricity. Which of the following sources of electricity would be the MOST environmentally safe choice?

F. hydroelectric dam

G. solar power station

H. coal-fired power plant

J. natural gas power plant

G. solar power station

Mixed

100

Which of the following occurs during an energy transformation?

A. energy disappears

B. new energy appears

C. energy changes form

D. matter is created from energy

C. energy changes form

200

Which type of energy conversion happens when energy from the Sun is used to warm a house?

F. electricity to light energy

G. light energy to thermal energy

H. chemical energy to electricity

J. radiant energy to light energy

G. light energy to thermal energy

300

Which of the following energy types is considered very efficient, but also very dangerous?

F. fossil fuel energy

G. geothermal energy

H. nuclear energy

J. wind energy

H. nuclear energy

400

Cars require multiple energy transformations. Gasoline is put in the tank to burn for the car to go. The car battery provides the energy for other functions of the car as well.

Which of the following type of energy is NOT used in a car?

A. Chemical Energy

B. Electrical Energy

C. Kinetic Energy

D. Nuclear Energy

D. Nuclear Energy

500

Which of these human activities would reduce the amount of useable energy Earth receives from the Sun?

A. setting up too many solar collectors in a small area

B. adding smoke to the atmosphere that blocks sunlight

C. using a small amount of solar cells over a very long time

D. planting too many farm crops that rely on sunlight to grow

B. adding smoke to the atmosphere that blocks sunlight