Earth and Sky Facts
Earth and Sky Time
States of Matter
Changing Matter
General Science
100
What shape is Earth?
Round. Oval.
100
How long does it take Earth to rotate a fully?
1 day
100
What is matter?
Atoms, molecules, anything that takes up space.
100
What happens to matter when it is heated?
It changes to a liquid, gas, or a warmer state with more motion.
Particles spread out.
100
What planet is known as the Red Planet?
Mars
200
What causes the Sun to rise in the east and set in the west?
Earth's rotation on its axis.
200
How long does one full trip around the sun take Earth?
One year.
200
What are the three states of matter?
Solid, liquid, and gas.
200
What happens to matter when it is cooled?
It slows down and may change to a solid.
Particles come together.
200
What is the largest planet in our solar system?
Jupiter
300
How does Earth spin?
Earth spins on its axis.
300
How many planets are in our solar system?
8
300
What state of matter keeps its own shape?
Solid
300
What is melting?
A solid heated to become a liquid.
300
What force pulls things toward Earth?
gravity
400
How does Earth revolve or orbit?
Earth revolves or orbits around the sun.
400
How far away is the Earth from the Sun?
A. 90,000 miles
B. 9 million miles
C. 90 million miles
C. 90 million miles
400
What state of matter can flow and take the shape of its container?
Liquid
400
What is freezing?
Freezing is when a liquid changes into a solid.
400
What gas do plants need from the air to make food?
Carbon Dioxide
500
Name this constellation
Orion
500
In the winter, we see Gemini in New York City. When would be the next time we see Gemini again?
Next winter next year at the same time.
500
What state of matter spreads out to fill a space?
Gas
500
What is evaporation?
Evaporation is when a liquid changes into a gas.
500
How many bones are in an adult human body?
206