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Space & Forces

Total questions: 13

Worksheet time: 10mins

Name
Class
Date
1.

List the inner planets in order from smallest to largest

(a)  

2.

How does distance between the planets change as you move away from the sun

a)

planets get closer together

b)

distance does not change

c)

planets get farther apart from each other

d)

distance changes in an irregular pattern

3.

How do the orbits of inner planets differ from the orbits of outer planets

a)

inner orbit faster around the sun than outer

b)

they orbit at the same rate

c)

outer orbit faster around the sun than inner

d)

They don't orbit, they just rotate

4.

What Planets are made our of rock and metal?

(a)  

5.

Astronomers use AUs to measure distances (a)   our solar system

6.

What is a light year

a)

The distance between the sun and the earth

b)

The amount of time it takes for the sun's light to reach us

c)

The distance light travels in a year

d)

The time it takes for the sun's light to exit the solar system

7.

How many times larger than the sun is Earth?

(a)  

8.

What makes it difficult to travel to other planets?

(a)  

9.

This force is responsible for building the solar system

(a)  

10.

Why are planets round

a)

Inertia

b)

Velocity

c)

Boyancy

d)

Gravity

11.

Planets with this influence the orbits of other planets

a)

Increased mass and density

b)

Increased density and

c)

Increased Buoyancy and velocity

d)

Decreased gravity and density

12.

This marks the beginning of a protostar's existence

a)

The combination of gravity and pressure

b)

nuclear fission

c)

nuclear formation

d)

nuclear fusion

13.

What does an AU (astronomical unit) measure

a)

distance between the sun and the end of our solar system

b)

distance between the inner planets

c)

distance between the outer planets

d)

distance between the sun and earth