3rd Grade Checkpoint 3 Review

Front

What is luster in rocks?

Back

Luster refers to how shiny or dull a rock appears.

Front

What helps the kingsnake survive despite looking like the poisonous coral snake?

Back

The kingsnake imitates the coral snake, which predators avoid, and its colors help it hide.

Front

What are the best attributes to classify rocks?

Back

Color, texture, luster, and hardness are the best attributes to classify rocks.

Front

Why do people wear jackets in cold weather?

Back

Jackets are worn because the material insulates heat, keeping the wearer warm.

Front

What conclusion can be drawn about objects that give off heat?

Back

Objects that give off heat also produce light.

Front

What is the definition of an insulator?

Back

An insulator is a material that does not conduct heat well, helping to keep warmth in.

Front

What is the difference between a poisonous snake and a non-poisonous snake?

Back

A poisonous snake can harm you with its venom, while a non-poisonous snake cannot.

Front

What is an example of a property used to classify rocks?

Back

Texture is an example of a property used to classify rocks.

Front

What does it mean for a material to conduct heat?

Back

To conduct heat means to allow heat to pass through it easily.

Front

Why do some animals have colors that help them hide?

Back

Colors that help animals hide are called camouflage, which protects them from predators.