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Unit 4 Explore 3 concept review

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is the shape of the orbits of the planets in our solar system ?

a)

perfectly circular

b)

round

c)

ellipse

d)

it varies

2.

If you were looking down on the north pole from space, what direction would the planets orbit the sun?

a)

clockwise

b)

counterclockwise

c)

some planets are different

d)

unkown

3.

About how long does it take for Neptune to orbit the sun?

a)

16 Earth years

b)

65 Earth years

c)

165 Earth years

d)

284 Earth years

4.

The closer a planet is to the sun, the _________it orbits.

a)

more circular

b)

more elliptical

c)

faster

d)

slower

5.

Which of these planets moves fastest in its orbit?

a)

Uranus

b)

Saturn

c)

Mars

d)

Earth

6.

Which of these planets moves fastest in its orbit?

a)

Saturn

b)

Jupiter

c)

Uranus

d)

Mars

7.

What are the two things that keep our planets in orbit around the Sun.

a)

inertia and gravity

b)

solar winds and planet tendency

c)

gravity and the curve of space

d)

the curve of space and solar winds

8.

What is the tendency of a moving object to keep moving at the same speed and direction?

a)

accretion

b)

interplanetary motion

c)

Inertia

d)

gravity

9.

If the Suns’ gravity suddenly stopped working, what would happen to the planets?

a)

crash into the sun

b)

explode into many pieces

c)

fly off in straight lines

d)

stay in motion around the Sun

10.

Which has more of an effect on the Earth’s ocean tides?

a)

weather

b)

Moon

c)

Sun

d)

wind

11.

How many high tides are there at any given time on Earth?

a)

one

b)

two

c)

three

d)

four

12.

What kind of tide happens when the Earth, moon and the sun are aligned?

a)

spring tide

b)

neap tide

c)

smart tide

d)

high tide

13.

What kind of tide happens when the sun, moon and Earth form a right triangle?

a)

spring tide

b)

neap tide

c)

smart tide

d)

high tide

14.

If the planets inertia disappeared, what would happen to the planets?

a)

crash into the sun

b)

explode into many pieces

c)

fly off in straight lines

d)

stay in motion around the Sun

15.

 

Where is the asteroid belt located?

a)

between Earth and Mars.

b)

between Mars and Jupiter

c)

between Mercury and Venus

d)

between Saturn and Uranus