This word describes how hot or cold the air is.
What is temperature?
This is the correct order from smallest to largest: Earth, solar system, galaxy, _____.
What is the universe?
This planet has the longest year.
What is Neptune?
This force keeps planets moving in orbit around the Sun.
What is gravity?
Most of Earth’s water is found in this location.
What are the oceans?
This type of tide is weaker than normal and occurs during the first or last quarter moon.
What is a neap tide?
This lunar phase occurs when the Moon is at a 90-degree angle with the Earth and the Sun.
What is the first quarter moon?
According to the Big Bang Theory, the universe is doing this.
What is expanding?
This force is similar to the tension in a string when an object moves in a circular path.
What is gravitational force?
This term describes the amount of salt dissolved in water.
What is salinity?
This layer of the atmosphere absorbs high-energy X-rays and UV radiation from the Sun.
What is the thermosphere?
A solar eclipse occurs when this object moves between the Earth and the Sun.
What is the Moon?
This structure contains billions of solar systems, including ours.
What is the Milky Way galaxy?
You would weigh the most on this planet.
What is Jupiter?
This process changes liquid water into water vapor and begins the water cycle.
What is evaporation?
A desert and a rainforest have different climates mainly because of differences in this factor.
What is precipitation?
Earth experiences day and night because of this motion.
What is Earth’s rotation on its axis?
These rocky objects orbit the Sun and are mostly found between Mars and Jupiter.
What are asteroids?
This massive object’s gravity keeps the planets in orbit.
What is the Sun?
This underwater feature is a long, deep depression where one tectonic plate is pushed beneath another.
What is a trench?
This term describes the amount of water vapor in the air.
What is humidity?
This type of eclipse happens when Earth blocks sunlight from reaching the Moon.
What is a lunar eclipse?
Venus is hotter than Mercury because of this atmospheric effect that traps heat.
What is the greenhouse effect?
This object has the strongest gravitational pull in our solar system.
What is the Sun?
This part of the water cycle occurs when water flows over land back into rivers, lakes, and oceans.
What is runoff?