Light
Electricity
Animals, Including Humans
Adaptation and Inheritance
Living Things and Their Habitats
100

This form of energy travels in waves from a source.

What is light?

100

A path through which electrical current flows.

What is a circuit?

100

The body system that includes the heart, blood vessels, and blood.

What is the circulatory system?

100

The young produced by the reproduction of a species.

What is offspring?

100

The process of sorting things into groups.

What is classification?

200

An object that makes its own light.

What is a light source?

200

A device that stores chemical energy and supplies electrical energy.

What is a cell/battery?

200

The tube-like structures that carry blood through the body.

What are blood vessels?

200

The passing of characteristics from parents to offspring.

What is inheritance?

200

Special qualities that make an individual or group different from others.

What are characteristics?

300

When light bounces off a surface and changes direction.

What is reflection?

300

The flow of electrons through a conductor.

What is current?

300

Blood that has already delivered most of its oxygen to the body.

What is deoxygenated blood?
300

A trait that increases an organism's chances of survival and reproduction.

What is an adaptation?

300

A series of yes/no questions used to identify living things.

What is a key?


400

A ray of light that strikes a surface.

What is an incident ray?

400

The force that pushes electric current through wires.

What is voltage?

400

A drug produced through fermentation of grains, fruits, or vegetables.

What is alcohol?

400

Genetic features that help a living thing survive.

What are adaptive traits?

400

An organism that can only be seen with a microscope.

What is a microorganism?

500

A material that lets some light through but scatters it.

What is translucent?

500

The difficulty electric current experiences while flowing through a circuit.

What is resistance?

500

Substances animals need to stay alive and healthy.


What are nutrients?

500

Traits passed down from parents.

What are inherited traits?


500

A scientist who groups living things into categories.

What is a taxonomist?

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