An instrument used to see things that are far away.
What is a telescope?
100
All weather occurs here on Earth.
What is the troposphere?
100
It takes this long for Earth to make one revolution around the Sun.
What is 365.25 days?
100
This huge storm has lasted for over 400 years on a red planet.
What is Jupiter's Great Red Spot?
200
A constant movement of ocean water
What is a current?
200
A large object that orbits a star but does not give off its own light.
What is a planet?
200
Water vapor in the air is called this.
What is humidity?
200
When the Moon passes directly between the Sun and the Earth.
What is a solar eclipse?
200
These forces cause Earth to revolve around the Sun.
What is gravity and inertia?
300
A rotating funnel-shaped cloud with high winds.
What is a tornado?
300
An object in space that circles around another object.
What is a satellite?
300
A place where two air masses meet.
What is a front?
300
A natural satellite that orbits a planet.
What is a moon?
300
Scientists have found evidence that the universe is expanding in all directions in ripples. They claim there is a point in the universe where the ripples first occurred. This theory is called what?
What is the big bang theory?
400
This forms over a warm area of water and will be warm and humid.
What is an air mass?
400
Patterns formed by stars.
What are constellations?
400
The lowest layer of the atmosphere.
What is the troposphere?
400
This planet in the solar system has the most moons.
What is Jupiter?
400
Scientists use these things to explore the solar system.
What are space probes, telescopes, and rovers?
500
A tool used to show the weather in a specific area.
What is a weather map?
500
Most of these are located between Mars and Jupiter.
What are asteroids?
500
Heavy snowfall combined with blowing snow result in this.
What is a whiteout?
500
This planet has the hottest surface temperature.
What is Venus?
500
Collisions between hydrogen atoms have occurred. These collision produce heat, causing the temperature to rise. The hydrogen atoms form a dense cloud that begins to spin and give off heat and light forming this type of star.