Show:
Earth-Sun-Moon
Galaxies and Light Years
Stars
Solar Sytem
Other
100

When the northern hemisphere is tilted away from the sun, which season will it be?

Winter

100
What is a light year?

The distance that light travels in one year (~5.88 trillion miles)

100

All stars are born in  a _________.

nebula

100

Which formed first- the sun or the Earth?

Sun

100

When you see a shooting star in the sky, what you are really seeing is a ________.

Meteor

200

What causes tides?

Mostly the moon's gravitational pull on the Earth. The sun's gravitational pull on the Earth also has a small effect.
200

What are the three types of galaxies?

Spiral, elliptical, and irregular


200

What color star is the hottest and brightest?

Blue

200

How many stars are in our solar system?

One (the Sun!)

200

What is a black hole?

A region in space where gravity is so strong that nothing can escape, not even light.

300

Which moon phase is missing from this sequence?

Full Moon, Waning Gibbous, __________, Waning Crescent



Third Quarter/Last Quarter 

300

What is the reason that galaxies can exist? In other words, how are billions of solar systems held together to create a galaxy?

Gravity

300

What are stars mainly composed of?

Hydrogen and helium

300
Many of these rocky objects orbit between Mars and Jupiter

What are asteroids?

300

How do mass and distance affect the strength of gravity?

The more massive an object is, the stronger its gravity. As distance between two objects increases, the strength of gravity decreases (gets weaker).
400

Describe or draw the position of the Earth, Sun, and Moon during a lunar eclipse.

During a lunar eclipse, the Earth will be in between the sun and moon, blocking out the Sun's light and casting a shadow on the moon.

400

Where is our solar system located within the Milky Way Galaxy?

Our solar system is located in the middle of a spiral arm in the Milky Way (the Orion Arm, to be exact).
400

Most stars in the universe (90%) are ______   _________ stars.

main sequence

400
Which planet would you expect to have the strongest gravity?

Jupiter

400

Why are scale models important to use when learning about space?

Scale models are important to use when learning about space because space is so big that it is hard to comprehend the true sizes of objects or the distances between them.

Scale models help us visualize the sizes and distances of objects in space by using more manageable numbers.

500

Describe the cause of the seasons in detail.

The seasons are caused by Earth's tilt as it moves around the sun. Earth is tilted away/toward the sun at different positions because of its 23.5 degree tilt, causing the seasons. 

500

Why are elliptical galaxies generally less bright than other types of galaxies?

Elliptical galaxies are less bright because they mainly contain low mass stars. Low mass stars are less bright than high mass stars. 

500

List the life cycle of a low to medium mass star from beginning to end.

Nebula, protostar, main sequence, red giant, planetary nebula, white dwarf

500

Earth is often called the Goldilocks Planet because.... 

It has the perfect conditions to sustain life. It is not too close or too far away from the sun, so the temperatures are suitable for life, and water is able to exist in a liquid state.

500

Draw and label a model that shows either a star, planet, galaxy, or moon being formed.

The drawing should show the process of accretion, starting with a cloud of dust/rock/gas/stars depending on which object was chosen. 


Then, the drawing should show that the material is being drawn toward each other due to the force of gravity.

Finally, accretion continues until the object is formed. Therefore the last part of the drawing should show the "final product."