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Astronomy basic

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

_____________________is the science that studies the universe.

a)

Astrology

b)

Astronomy

c)

Unistrology

d)

Unistronomy

2.

True or False?


In the ancient Greeks’ geocentric model, the moon, sun, and the known planets—Mercury, Venus, Mars, and Jupiter—orbit Earth.

a)

True

b)

False

3.

True or False?


In the heliocentric model, Earth and the other planets orbit the sun.

a)

True

b)

False

4.

____________ ________________ is the apparent westward motion of the planets with respect to the stars.

a)

Retrograde motion

b)

Westward motion

c)

Southern motion

d)

Northern motion

5.

______________________ concluded that Earth is a planet. He proposed a model of the solar system with the sun at the center.

a)

Galileo

b)

Abraham Lincoln

c)

Copernicus

d)

Newton

6.

True or False


Tycho Brahe designed and built instruments to measure the locations of the heavenly bodies.

a)

True

b)

False

7.

An __________________ ________ is the average distance between Earth and the sun; it is about 150 million kilometers.

a)

Astronomical inverse

b)

Astronomical belief

c)

Astronomical Unit

d)

Astronomical guess

8.

True or False


A revolution is the path an object takes around a point in space.

a)

True

b)

False

9.

Earth revolves around the Sun once every ______ days.

a)

1 day

b)

250 days

c)

7 days

d)

365 days

10.

True or False


Rotation is the spinning of an object on it's axis.

a)

True

b)

False

11.

Earth completes one full rotation every ______ hours.

a)

24 hours

b)

48 hours

c)

36 hours

d)

3 hours

12.

True or False


Perihelion is when the Earth is closest to the sun.

a)

True

b)

False

13.

When the Earth is farthest away from the Sun, we call this _______________.

a)

Aphelion

b)

Aparatus

c)

Ajax

d)

winter

14.

True or False


Precession is the wobbling of Earth on it's axis.

a)

True

b)

False

15.

When the moon is farthest away from the Sun. This called____________.

a)

Apogee

b)

Perigee

c)

Gibbons Wanning

d)

Crescent Wanning

16.

True or False


A Solar eclipse is when the moon moves in line directly between the Earth and the Sun - the moon casts a shadow on the Earth.

a)

True

b)

False

17.

When the Earth moves in a line directly between the moon and the sun. This is called a _________ ___________.

a)

Lunar Eclipse

b)

Solar Eclipse

c)

Penumbra

d)

Umbrella

18.

The Moon: the depression produced by a meteorite impact is called a ____________.

a)

Hole

b)

Crater

c)

Debris

d)

Ray

19.

An ancient bed of basaltic lava when asteroids punctured the lunar surface is called ___________.

a)

Maria

b)

Gloria

c)

highlands

d)

Bill

20.

True or False


A meteorite is any portion of a meteoroid that reaches Earth's surface.

a)

True

b)

False

21.

When we talked about how the moon was formed, we decided it was formed by

a)

a large body hitting Mars and splitting off debris that became the moon.

b)

a large body hitting Earth and ejecting debris that became the moon.

22.

Which of the following is NOT present on the moon?

a)

atmosphere

b)

light

c)

gravity

23.

What is the soil-like layer on the moon's surface called.

a)

magma

b)

mud

c)

regolith

d)

basalt

24.

Long valleys or trenches associated with maria are

a)

rays

b)

craters

c)

rilles

25.

In the Geological Time Scale, what is the longest unit of geologic time.

a)

eon

b)

epoch

c)

era

26.

Which of the following lunar features is the oldest?

a)

surface regolith

b)

maria basins

c)

highlands

27.

Which of the following is NOT considered a terrestrial planet?

a)

mercury

b)

neptune

c)

mars

28.

The largest of the terrestrial planets is

a)

Earth

b)

Jupiter

c)

Uranus

29.

According to scientists, the solar system formed from

a)

colliding planetesimals

b)

colliding nebulae

c)

a rotating disk of dust and gases

30.

Which of the following is NOT present on the moon?

a)

light

b)

atmosphere

c)

gravity