Galaxies, The Sun, and Star Patterns

Multiple Choice

What color of star is the hottest?

• Blue
• Red
• Yellow
• Orange

Multiple Choice

What color of star is the coolest?

• Red
• Yellow
• Blue
• White

Multiple Choice

Our sun is a __- sized star.

• small

• medium

• large

• extra large

Multiple Choice

Stars that are far away appear __ even though they might be brighter than our own Sun.

• brighter

• farther

• closer

• dimmer

Multiple Choice

Stars are composed of _____________.

• solids

• liquids

• gases

Multiple Choice

Peter has learned that many stars are actually larger than the sun. If this is true, why do these stars appear like tiny points of light in the night sky?

• These stars are hotter than the sun.

• These stars are farther away from Earth than the sun.

• These stars have less mass than the sun

• These stars are made of different chemicals than the sun.

Multiple Choice

Stars are always the same ___________.

• color

• shape

• size

• distance from Earth

Multiple Choice

If two stars are the same size, then _______________________.

• the cooler star will be brighter than hotter star

• the smaller star will always appear brighter than the bigger star

• the star that is closer to the Earth will appear brighter than the star that is farther away

• stars are all the same brightness no matter how far away

Multiple Choice

Stars emit which two forms of energy?

• fire and ice

• fire and heat

• heat and light

• light and fire

Multiple Choice

How many stars are in our solar system?

• too many to count

• billions

• one

• only the stars that we can see

Multiple Choice

What is a galaxy?

• all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy

• a collection of stars, dust, and gas held together by gravity

• the planets in our solar system

• Dust and gas

Match

Name each type of the galaxies

• Galaxy 1

• Galaxy 2

• Galaxy 3

Spiral

Elliptical

Irregular

• Spiral

• Elliptical

• Irregular

Multiple Choice

Identify the location of Earth's solar system within the Milky Way galaxy.

• In the central bulge

• In the halo

• In one of the spiral arms

• In the outer ring

Multiple Choice

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular 
• Irrational

Multiple Choice

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular
• Irrational

Multiple Choice

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular
• Irrational

Multiple Choice

Which  of the following best describes the tilt of the earth during the spring and fall equinoxes?

• The earth is tilted away from the sun (Northern hemisphere)
• The earth is tilted neither toward or away from the sun (tilt is side to side)
• The earth is tilted toward the sun (Northern hemisphere)
• The earth is not tilted during spring and fall

Multiple Choice

A student modeled the cause of day and night on Earth using a lamp and a baseball. If one second equals one hour, how should the student model one day/night cycle on Earth?

• Move the baseball around the lamp in 24 seconds

• Turn the lamp off and on for 24 hours

• Spin the baseball 24 times in one hour

• Rotate the baseball one time in 24 seconds

Match

Match the following

• Spiral Galaxy

• Irregular Galaxy

• Elliptical Galaxy

a galaxy in which the stars and gas clouds are concentrated mainly in one or more spiral arms

a younger galaxy with no defined shape

usually an older galaxy that will not form new stars

• a galaxy in which the stars and gas clouds are concentrated mainly in one or more spiral arms

• a younger galaxy with no defined shape

• usually an older galaxy that will not form new stars

Multiple Choice

Which of the following galaxies is most like our own Milky Way? 

• A
• B
• C
• D