Vocabulary
A representation of an idea, object, or process that cannot be experienced directly.
What is model?
The force that pulls us down toward the center of the Earth.
What is gravity?
True or False: The length and direction or a shadow changes over the day.
What is true?
The amount of time it takes Earth to rotate on its axis.
What is 24 hours?
True or False: We only see the same constellations all year long.
What is false. Some constellations only appear during certain seasons.
The group of planets that all orbit the same star.
What is solar system?
These objects in the universe have gravity.
What is everything?
The direction in which the sun appears to rise in the sky.
What is east?
The amount of time it takes Earth to orbit the Sun.
What is 365 days?
An object in the sky made of hot gases so hot that they glow with light.
What is a star?
A collection of stars and other space dust that all orbit a black hole.
What is galaxy?
Why does the Earth have a stronger gravitational force than our moon?
Because the Earth has more mass. More mass = more gravity.
The length of a shadow at noon
What is short?
This is responsible for day and night.
What is rotation?
Name any constellation or star.
Answers vary.
Everything-- outer space and all the stuff in it.
What is universe?
If we increase the mass of two objects, does the gravitational pull between them increase or decrease?
What is increase?
The direction that a shadow is pointing when the sun rises.
What is west?
This is responsible for seasons and constellation patterns.
What is orbit?
If I can see the constellation Scorpio in May, June, and August, what other month should I expect to see it too?
What is July?
Everything outside of Earth's atmosphere where there is no air called a vacuum.
What is outer space?
How do I decrease the gravitational pull between two objects?
Decrease the mass or increase the distance between them.
Do shadows form on the same or opposite side of the light source?
What is opposite?
The length of time it takes the moon to orbit the Earth.
What is one month?
I have two stars that are the same age and size. Star A is 1 light year away and Star B is 4 light years away. Which one would appear brighter and why?
What is Star A because it is closer.