Front

What is the predicted high temperature for Saturday if the pattern continues?

Back

15

Front

Why do the outer planets have longer orbits than the inner planets?

Back

The outer planets are farther from the sun.

Front

How should particles be arranged in a model of a solid?

Back

The particles should be drawn close together in rows.

Front

How do you order magnets from weakest to strongest based on their ability to pick up paper clips?

Back

Y, Z, X

Front

What type of change is irreversible?

Back

A change that cannot be undone.

Front

What is a solid?

Back

A state of matter where particles are closely packed together.

Front

What is a gas?

Back

A state of matter where particles are far apart and move freely.

Front

What is a liquid?

Back

A state of matter that has a definite volume but takes the shape of its container.

Front

What is the sun's role in the solar system?

Back

The sun is the center of the solar system and provides light and heat.

Front

What are the inner planets?

Back

The four planets closest to the sun: Mercury, Venus, Earth, and Mars.