Renewable Energy
Past Science K-3
4th Grade Science
Electricity
Unit 1 Review Challenge
100

This type of renewable energy uses the wind to turn windmills that power a generator to create electricity.

Wind power

100

What are the 3 states of matter?

Solid, liquid, gas. 

100

This type of circuit has ONE path for electricity to travel through.

Series or simple circuit

100

When we built our circuits in class, the energy source we used was a....

battery

100

This is the "string" part that pulls the muscle from the bone

Tendon

200

This type of renewable energy uses the sun to power panels, creating electricity.

Solar power

200

How did scientists know that dinosaurs must have been reptiles?

Holes in the skull, imprint of skin next to fossils, the fact that they laid eggs.

200

FREE POINTS! Congratulations!

Woohooo!

200

A material that allows electricity to pass through it is called a ....

conductor

200
This is the clear layer over the front of your eye.

Cornea.

300

This type of energy uses water from rivers/oceans to power turbines.

Hydropower

300

Meteorologists look to the _____________ to see what type of weather is headed this way.

West!

300

This type of circuit has more than one path for electricity to travel.

Parallel circuit

300

Explain why some animals have great vision in the dark.

They have larger pupils, which let in more light in to their eyes.

400

When using wind, water, or solar energy, this is an object that TURNS and creates energy.

Turbine

400

The process in which a catepillar changes to a butterfly is called....

Metamorphosis.

400

An object that does NOT allow electricity to travel through is called a ....

insulator 

400

This deep sea creature uses a lure on the top of its head to attract prey with a small light

Angler Fish

500

After using a source of energy, this object gets activated by a turbine to create electricity.

Generator

500

Name one species of frog from the "Who's Calling?" activity in 2nd grade! 

Wood frog, Spring Peeper, American Bullfrog, Northern Leopard Frog, American Toad.

500

To create a circuit, you need a _________, __________, and a ________.

power source, connection, output source (or load)

500

Pennies, paper clips, metal spoons. These are all examples of _________ when it comes to electricity.

conductors

500

The "screen" in the back of your eye is called your....

Retina

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