Earth/Sun
Earth/Moon
Sun/Solar System
Space
comets/meteor/asteroid
100

What creates day and night?

What is Earth's rotation on it's axis

100

What keeps the moon in the Earth's orbit?

Gravity and inertia, the same as what keeps the Earth in the sun's orbit.

100

What time of day are shadows the smallest? 

What is high noon. 

100

Where does outer space begin in relation to earth? 

What is 62 miles from earth.

100

What is a comet made of?

made of ice and dirt

200

Why do we have seasons?

Earth is tilted on its axis and revolves around the sun.

200

What is the difference between a waxing crescent and a waning crescent?

waxing - lit portion of the moon is getting bigger waning - lit portion of the moon is getting smaller

200

What is the sun? 

What is a star or dwarf planet.

200

Why are space telepscopes placed outside the Earth's atmosphere?

It places the telescope closer to what it is examining, there is no interference from earth's weather or atmosphere. 

200

What is a meteor?

What is small chunks of rock that float through space. 

300

Why does the sun appear to move across the sky? 

What is earth is spinning in its axis.

300

Why does the moon look different to us at each phase?

The moon revolves around the Earth. Since only half the moon is always lit, we see different amounts of the lit side throughout the month.

300

Why do planets orbit the Sun instead of floating away? 

What is gravity.

300

What unit do scientist use to measure distance withing our solar system? 

What are astronomical units.
300

What is a solar eclipse? 

What is the moon blocks the sun from earth.

400

Why does the sun look like the brightest star in the sky even though it is not the biggest?

It is the closest star to our planet,

400

The moon revolves around what planet? 

What is earth.

400

Name two objects besides planets orbit the sun. 

What is comets, dwarf planets or asteroids.
400

What is the definition of Astronomy?

the study of the moon, stars, and other objects in space

400

What is a lunar eclipse? 

What is when the earth blocks the moon from the earth.

500

What two things cause the change of seasons? 

The earth spinning on its axis as it revolves around the sun. Different portions of the earth experience more sun.

500

What space tools do we use to examine what is in space? Name two.

Satellite, Telescopes, Space Stations, Rockets, and Space Shuttles

500

The closer to the Sun a planet is, what is effected? 

What is its orbit?

500

How old is the universe estimated to be? 

What is 13.77 billion years old.

500

What is the solar system? 

What is something that contains a star and other things.