The Sun
What does the Sun provide for Earth that helps plants grow?
Heat and light
Name the four rocky planets closest to the Sun.
Mercury, Venus, Earth, and Mars.
This is the name for when a planet, like Earth, spins on its axis.
Rotation.
This is an object that orbits a star.
A planet.
What do we call a person who travels and works in space?
An astronaut.
True or false: The Sun is a planet.
False, the Sun is a star.
This is the biggest planet in our solar system.
Jupiter
24 hours.
A small, icy body that travels alone through space and leaves a tail behind it.
A comet.
What tool do scientists use to make faraway objects in space look bigger and closer?
A telescope.
The Sun is a giant, hot ball of two gases. What are they?
Hydrogen and helium.
What is the nickname for Mars, because of its reddish-orange rocky surface?
The Red Planet
This is what we call the changing shapes of the Moon we see from Earth.
Moon phases.
What is the name for the path an object takes as it moves around another object in space?
An orbit.
What is the name of the first man to walk on the moon?
Neil Armstrong.
What does the word "solar" mean?
Having to do with the Sun.
This is the planet that is known for its many beautiful rings.
Saturn
What causes the seasons on Earth?
The tilt of Earth's axis as it revolves around the Sun.
The force that keeps all the planets orbiting the Sun.
Gravity.
What is the name for the kind of vehicle that carries astronauts into space?
A rocket or space shuttle.
What is the rule you must always follow when looking at the Sun?
Never look directly at the Sun.
What is the name of the belt of asteroids that separates the rocky planets from the gas giants?
The asteroid belt
This man was the first person to walk on the Moon.
Neil Armstrong.
This word describes a large group of stars and solar systems, like the Milky Way.
A galaxy.
What was the name of the first robotic explorer sent to land on Mars?
The Viking 1.