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Kelly - Astronomy Review

Total questions: 45

Worksheet time: 42mins

Name
Class
Date
1.

Day and night is caused by the -

a)

orbit of Earth around the Sun

b)

orbit of Earth around the Moon

c)

rotation of Earth on its axis.

d)

rotation of the Moon on its axis

2.

Which of the following is NOT a gas giant?

a)

Jupiter

b)

Saturn

c)

Venus

d)

Neptune

3.

Which of the following is NOT a terrestrial planet?

a)

Mercury

b)

Venus

c)

Uranus

d)

Mars

4.

The force that holds the planets in orbit around the sun is called?

a)

Rotation

b)

Gravity

c)

Friction

d)

Pressure

5.

The time it takes the Moon to revolve around the Earth is approximately one

a)

Hour

b)

Day

c)

Week

d)

Month

6.

A __________ is the movement of Earth when it travels around the sun.

a)

revolution

b)

rotation

7.

A __________ is the spinning of Earth on its axis. It takes 24 hours.

a)

Rotation

b)

Revolution

8.

Which of the following is NOT a galaxy shape used for classification?

a)

irregular

b)

spiral

c)

squiggle

d)

elliptical

9.

The change in seasons is a result of what?

a)

rotation

b)

ravioli

c)

revolution

d)

Earth's tilt on its axis as it revolves around the sun

10.

About 90 percent of the stars in the universe, including the sun, are main sequence stars. What do all main sequence stars have in common?

a)

All main sequence stars are yellow like our sun.

b)

All main sequence stars are as bright as our sun.

c)

They are all undergoing fusion of helium into carbon within their cores

d)

They are undergoing fusion of hydrogen into helium within their cores

11.

Which of the following correctly ranks astronomical objects by size, starting with the smallest?

a)

earth, sun, solar system, galaxy, universe

b)

sun, solar system, earth, universe, galaxy

c)

universe, galaxy, solar system, earth, sun

d)

solar system, earth, sun, universe, galaxy

12.

On an HR diagram, stars at the same temperature are found...

a)

aligned horizontally (next to each other)

b)

aligned vertically (one above the other)

c)

along the main sequence

d)

spread through the diagram

13.

White dwarfs stars are

a)

hot and dim

b)

cool and dim

c)

hot and bright

d)

cool and bright

14.
Explosion of a high-mass star.
a)
White Dwarf
b)
Planetary Nebula
c)
Supernova
d)
Neutron Star
15.
An object whose gravity is so strong that nothing can escape.
a)
Planetary Nebula
b)
Supernova
c)
Neutron Star
d)
Black Hole
16.

What is the north star called?

a)

Dubhe

b)

Ursa

c)

Polaris

d)

Sun

17.
The color of a star tells us its
a)
magnitude
b)
temperature
c)
size
d)
age
18.
The life cycles of stars are determined by their:
a)
mass (size)
b)
color
c)
distance from Earth
d)
luminosity
19.
Galaxies are composed of 
a)
billions of stars
b)
a star and the planets that orbit around it
c)
all of the bodies and objects in space
20.
As distance between two objects increase the pull of gravity 
a)
Increases
b)
Decreases
c)
Stays the same
21.
The amount of matter in an object.
a)
force 
b)
mass
c)
weight 
d)
pressure 
22.

A(n) _____ is the curved path of an object around a point/object in space.

a)

orbit

b)

rotation

c)

revolution

d)

phase

23.
Which model has greater gravitational attraction (if any)
a)
Model A
b)
Model B
c)
Both Model A and Model B (same gravity)
24.
What are three things all planets have in common?
a)
they are spherical, they have at least one moon and they have gravity
b)
Orbit the sun, massive enough that their gravity controls all objects in the area and they are spherical
c)
they have at least one moon, they are spherical and they were made by accretion
d)
they are spherical, they orbit the sun and they have living organisms 
25.
Planets orbit the Sun in a shape called a(n)
a)
circle
b)
ellipse
c)
focus
d)
perihelion
26.
The point in Earth's orbit when it is closest to the sun is called the
a)
Aphelion
b)
perihelion
c)
maximum ellipse
d)
minimum elipse
27.
The point in the Earth's orbit when it is furthest from the sun is called 
a)
aphelion
b)
perihelion
c)
minimum ellipse
d)
maximum ellipse
28.
The Earth is moving slowest 
a)
at its perihelion
b)
at its aphelion
c)
when perpendicular to the major axis
d)
during our winter
29.

The Earth is moving fastest in its orbit when it is

a)

when it is farthest away

b)

at its perihelion

c)

at its aphelion

30.
The __________ has planets, moons, comets, and asteroids.
a)
solar system
b)
earth
c)
rotation
d)
United States
31.
During which season is the northern hemisphere tilted toward the Sun?
a)
Summer
b)
Fall
c)
Winter
d)
Spring
32.

During the winter months of the Northern hemisphere the Earth is ______.

a)

tilted closer toward the Sun

b)

tilted farther away from the Sun

c)

spinning slower than in Summer

d)

spinning faster than in Summer

33.

Evidence that the universe is expanding is best supported by the observation that the wavelengths of light from distant galaxies are shifted toward the

a)

blue end of the spectrum because they are lengthened

b)

red end of the spectrum because they are lengthened

c)

red end of the spectrum because they are shortened

d)

blue end of the spectrum because they are shortened

34.

Which event occurred approximately 4.6 billion years ago?

a)

evolution of the earliest fish

b)

evolution of stromatolites

c)

formation of the oldest known Earth rocks

d)

formation of Earth and our solar system

35.

Energy is produced within a star's core by the process of

a)

nuclear fusion

b)

insolation

c)

conduction

d)

radioactive decay

36.

Planets that are closest to the Sun are identified as

a)

low-density Jovian

b)

low-density terrestrial

c)

high-density terrestrial

d)

high-density Jovian

37.

The model below shows the apparent path of the Sun

as seen by an observer in New York State on the first

day of one of the four seasons.


This apparent path of the Sun was observed on the first day of

a)

fall

b)

winter

c)

summer

d)

spring

38.

What is a person's latitude if the angle of Polaris is 40o North?

a)

50

b)

40

c)

60

d)

70

39.
Which diagram shows a planet with the least eccentric orbit?
a)
1
b)
2
c)
3
d)
4
40.
During what month is the earth moving the fastest around the sun? 
a)
July
b)
March
c)
January
d)
September
41.

An eccentricity that is closer to 1 means which two things (choose two answers):

a)

the orbit is more eccentric

b)

the orbit is very round

c)

the orbit is more like an oval

d)

there is no orbit

42.

The eccentricity formula is:

a)

change in value/distance

b)

mass/volume

c)

distance between foci/length of major axis

d)

change in value/time

43.
The Earth's _______ is an imaginary line that goes from the North Pole to the South Pole.
a)
vernal equinox
b)
axis
c)
solar eclipse
d)
solar flare
44.

What is the BEST definition of apparent motion?

a)

movement that actually happens across the sky

b)

movement that appears to happen across the sky caused by Earth's REVOLUTION

c)

movement that appears to happen across the sky caused by Earth's ROTATION

d)

Motion's mother and father

45.

The tool that provided evidence that the earth is rotating is called

a)

Sundial

b)

Stellar Parallax

c)

Foucault Pendulum

d)

Time Zone

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