Planets
What planet is known as the Red Planet?
Mars
What layer of Earth do we live on?
The crust
What do we call the path a planet takes around the Sun?
An Orbit
What was the first human-made object to go to space?
Sputnik 1
What do plants need for photosynthesis?
Sunlight, carbon dioxide, and water
What planet is the largest in our solar system?
Jupiter
What gas do we breathe in to stay alive?
Oxygen
How long does it take Earth to orbit the Sun?
1 year (365 days)
Who was the first person to walk on the moon?
Neil Armstrong
What organ pumps blood through your body?
Your heart
What planet has rings made of ice and rock?
Saturn
What causes day and night on Earth?
Earth's rotation
What is the Sun mostly made of?
Hydrogen and helium
What does NASA stand for?
National Aeronautics and Space Administration
What are animals with backbones called?
Vertebrates
Which planet is closest to the Sun?
Mercury
What is the movement of Earth's plates called?
Plate tectonics
What force keeps the planets in orbit?
Gravity
What tool do scientists use to look at stars?
A telescope
What is the process of liquid water turning into gas?
Evaporation
What is the only planet known to support life?
Earth
What natural event happens when two plates slide past each other?
An earthquake
What do we call a chunk of rock or metal that enters Earth’s atmosphere?
A meteor
What is the name of the telescope launched in 1990 that still takes pictures of space?
The Hubble Space Telescope
What is a scientist who studies space called?
An astronomer