Unit 3 Review

​Unit 3 Test Review

Dropdown

A guitar transforms​

Select answer

energy into ​

Select answer

energy

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Photosynthesis transforms ​

Select answer

energy into ​

Select answer

energy.

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A lamp transforms ​

Select answer

energy into ​

Select answer

energy.

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Eating an apple transforms stored

Select answer

energy into ​

Select answer

and thermal energy.

Dropdown

A campfire transfers energy from ​

Select answer

to ​

Select answer

energy.

​Today you will work with a partner to fill out your study guide.

You will need your paper copies of lessons 1 - 6 for Unit 3.

Match

Match the following forms of energy with the example.

• The energy stored in a burger

• The energy in a wall outlet and power lines

• The light from the Sun

• The heat from a fire

• A person hitting a baseball

chemical energy

electrical energy

radiant/electromagnetic

thermal energy

mechanical energy

• chemical energy

• electrical energy

• radiant/electromagnetic

• thermal energy

• mechanical energy

Dropdown

The energy from splitting uranium atoms is​

Select answer

energy.

Multiple Choice

When light from the sun strikes a solar panel, the panel makes electricity. This is an example of transforming ________ ?

• Radiant energy to thermal energy

• Nuclear energy to chemical energy

• Radiant energy to electrical energy

​This is the question we are about to answer.

Categorize

Options (3)

energy can be created

energy can be transformed into other forms of energy

energy can be destroyed

Identify each statement as True or False by dragging them into that category.

True

False

This is the question we are about to answer.

Dropdown

The type of energy transformation that occurs when wood is burned is ​

Select answer

to​ radiant and

Select answer

energy.

​This is the question we are about to answer.

Multiple Choice

What type of energy transformation occurs when a hawk eats a mouse and then uses the energy from the mouse to fly?

• mechanical energy to chemical energy

• thermal energy to mechanical energy

• chemical energy to mechanical energy

• mechanical energy to thermal energy

Multiple Choice

A hair dryer converts --

• electrical → chemical

• electrical → thermal

• chemical → mechanical

• thermal → mechanical

Drag and Drop

The energy stored in petroleum and coal is​

Placeholder

energy.

Drag these tiles and drop them in the correct blank above

chemical

nuclear

mechanical

radiant

Multiple Choice

Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?

• chemical → thermal

• light → chemical

• thermal → light

• chemical → electrical

​This is the question we are answering next.

Multiple Choice

Fossil fuels are considered nonrenewable resources because they -

• burn so quickly.

• are in such high demand.

• take millions of years to form.

• pollute the air.

​This is the question we are answering next.

Multiple Select

Choose all examples of renewable energy sources.

• Biomass

• Solar energy

• Hydroelectric power

• Geothermal energy

• Nuclear energy

​These are the questions we are answering next.

Multiple Choice

The world faces an energy crisis because -

• the increase in the human population is increasing the demand for energy.

• world oil production will begin to decline.

• resource shortages will result in increased prices and will disrupt economic and political order.

• all of the above

This is the question we are answering next.

Multiple Choice

Which energy transformation occurs during the process of generating electricity by burning coal in a power plant?

• Nuclear energy of the steam is converted to thermal energy of the turbine in the generator.

• Mechanical energy from the turbine is converted to electrical energy by the generator.

• Electric energy from the generator is converted to chemical energy in the power lines.

• Chemical energy in the generator is converted to electrical energy in the power lines.

​https://kahoot.it/challenge/07602106