What are chunks of rock that orbit around the sun called?
asteroids
100
What do we call patterns made with stars?
constellations
100
What was the earliest tool used to study our universe?
A telescope
200
Rank the following objects according to their size from smallest to largest: universe, sun, Earth, solar system, galaxy
earth, sun, solar system, galaxy, universe
200
The four inner planets are rocky and small. Which description best fits the next four outer planets?
large and made of gas
200
These objects are composed of dust, ice, and gases which orbit the sun in a large, oval course.
Comets
200
See picture. What constellation is this?
The Big Dipper
200
How does a telescope help us understand the moon?
A. it tells us how it was formed
B. it tells us how hot it is there
C. it helps us see surface features
D. it tells us what the moon is made of
it helps us see surface features
300
When objects orbit a star it is known as a what?
A solar system.
300
List all the planets in order according to their distance from the sun
Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
300
What is the difference between a meteor and a meteorite?
Meteor burn in the earth's atmosphere. Meteorites are objects that reach the earth's surface.
300
See picture. What is important about star D?
It is the polaris star that points north.
300
How do we know about our solar system?
telescopes, probes, satellites, space stations
400
Compared to our galaxy, how big is our solar system?
A. extremely tiny
B. about one-tenth of the galaxy
C. about one-third of the galaxy
D. over half of the galaxy
extremely tiny
400
This planet has a ring system.
Saturn
400
What keeps extraterrestrial objects in orbit?
gravitational force
400
How were constellations originally named and identified?
As people or animals they may have resembled.
400
What man-made objects orbit objects in our solar system?
satellite. Satellites are used to help with communication by relaying telephone calls and e-mail messages anywhere in the world.
500
What do we use to measure distance in the universe?
light years
500
What is the largest planet in our solar system?
Jupiter
500
What is the difference between weight and mass?
Weight measures gravitational force and mass measures how much stuff is inside an object. Mass stays the same no matter where you are!