Science Topic 7 Patterns in Space

Which statements describe gravity? Circle all that apply.

• It exists only between heavy objects.

• It holds objects in space in their orbits.

• It pulls objects toward the center of Earth.

• It is a force of attraction between tow objects

Which statement tells what causes the sun to appear to move across the sky?

• Earth rotates on its axis.

• Earth is tilted on its axis.

• Earth revolves around the sun.

• Earth has different time zones.

Why do the positions of the constellations change with the seasons on the Earth?

What evidence supports the idea that gravity exists on Earth?

• All people on Earth observe that objects fall toward the Earth's center.

• People are able to launch rockets into space.

• Earth rotates and revolves around the sun.

• The pull of gravity is strongest on planets that have less mass than Earth.

How mights the length of a shadow change from 9:00 a.m. to 12 noon on a sunny day? Explain.

_______ is a force of attraction between two objects.

• gravity

• exerts

• revolves

• rotates

An ____ is an imaginary line that goes through the center of an object.

• revolution

• axis

• rotation

• pattern

A group of stars that, when seen, make a shape or picture is called a ______.

• shadow

• related

• constellation