8th Grade Motion Assessment PS2-4

Front

What does the strength of the force of gravity depend on? Options: The masses of the objects and their speed, The mass and weight of the objects, The masses of the objects and the distance between them, The length of the object and its speed

Back

The masses of the objects and the distance between them

Front

What is the definition of inertia?

Back

The tendency of an object to resist change in motion

Front

What controls the orbits of objects in our solar system? Options: Speed and light, Inertia and gravity, Gravity and speed, Momentum and inertia

Back

Inertia and gravity

Front

Our solar system is part of the

Back

Milky Way Galaxy

Front

What is the shape of the Milky Way Galaxy? Options: elliptical, oblong, spiral, irregular

Back

spiral

Front

How many stars are estimated to be in the Milky Way Galaxy? Options: Less than 100,000, At least 100 billion, About 1000, About 100 million

Back

At least 100 billion

Front

The gravitational force of the sun is the sole reason the planets and other bodies orbit around it, holding the solar system together.

Back

False