Compared to other stars, how does the size of the sun appear to humans on planet Earth? Why?
100
Which planet is farthest from the sun?________________________
100
1. Earth ______________ on its axis every _______ hours.
2. ______________ causes us to have ______________ and ______________.
3. Seasons take place because of Earth’s ______________ and ______________.
200
Which of the following planets have moons?
Earth
Jupiter
Mercury
Neptune
200
The sun is a star of average size and brightness. From Earth, the sun appears as a round, yellow object in the daytime sky. At night, we see other stars. They appear as tiny points of light. Why does the sun appear larger than stars that we see at night?
200
What is a metallic, rocky bodies that orbit the sun but are too small to be a planet
200
The amount of time a planet takes to orbit the sun is a year on that planet. Which planet has the shortest year? _______________________
200
4. Earth completely orbits or ______________ around the ______________ once every ______________ (365 days) and the orbit is ______________.
300
Which of the following planets are terrestrial?
Earth
Jupiter
Mercury
Neptune
300
We have had many discussions over the past weeks about our Solar System. What is our Solar System?
a. the Sun self-luminous balls of gas made from hydrogen and helium.
b. the Sun and the planets that orbit the Sun
c. the Sun and planets that orbit the Earth
d. the Sun, planets, and other objects that travel around the Sun
300
What is it called when a particle or chunk of metallic or stony matter enters Earth’s atmosphere from outer space
300
How long does it take Saturn to orbit the sun? _______________________
300
5. The solar system consists of the ______________ and eight ______________ -Mercury, ______________, Earth, Mars, ______________, Saturn, Uranus, and ______________.
400
Which of the following planets are gaseous?
Earth
Jupiter
Mercury
Neptune
400
There are several differences between a plant and a star. Which one is NOT a difference?
a. one revolves and one is fixed or doesn’t move
b. one naturally gives off light and one is not
c. one has five points and one is round
d. one, like the Sun is much larger than the other like the Earth
400
What is mixtures of ices (both water and frozen gases) that are not part of a Planet
400
About how much closer to the sun is Mercury than Earth is? _________________
400
6. The moon orbits ______________.
7. The sun is a ______________. It is the major source of energy for Earth. It’s the largest body in the solar system.
500
Which of the following planets are beyond the asteroid belt?
Earth
Jupiter
Mercury
Neptune
500
As I look at the stars at night, which one does NOT describe what stars are
a. They give off their own light
b. They move throughout the night sky
c. They are very far away
d. One example is our sun
500
Which planet takes the longest to orbit the sun? _______________________What is the reason for this? _____________________________________________________________________
500
8. ______________ are enormous balls of superheated gases, like the ______________.
9. Because other stars are so ______________ away, they appear to be much ______________ than they actually are (points of light in the sky).