Earth
What is the layer of air that surrounds Earth called?
The atmosphere
What process do plants use to make their own food using sunlight?
Roots
What do we call animals that only eat plants?
Herbivores
What type of rock is formed from cooled lava or magma?
Igneous rock
What is the name of the special suit astronauts wear to protect them during spacewalks?
A spacesuit
Which planet is known as the "Blue Planet"?
The earth
What process do plants use to make their own food using sunlight?
Photosynthesis
What is the main source of energy for almost all food chains?
The sun
What type of rock can form when heat and pressure change an existing rock?
Metamorphic rock
Astronauts train underwater to practice moving in low gravity. What is this training called?
Neutral buoyancy training.
What is the layer of gases surrounding Earth called?
The atmosphere
What green pigment in plants captures sunlight?
Photosynthesis
In a food chain, what do we call the organisms that make their own food using sunlight?
Producers
Which type of rock is made from layers of sediment pressed together over time?
Metamorphic rock
What type of exercise do astronauts do daily to keep their muscles strong?
Resistance and cardio exercises.
What causes the change of seasons on Earth?
The tilt of Earth's axis as it orbits the Sun
What green pigment in plants captures sunlight?
Chlorophyll
In a food web, what type of organism eats both plants and animals?
Omnivores
What is the process called when rocks are broken down into smaller pieces by wind, water, or ice?
Weathering
Why do astronauts need to exercise for about 2 hours every day while on a mission?
To prevent muscle and bone loss in low-gravity environments.
What is the name of the boundary where two tectonic plates slide past each other?
A transform boundary
What is the name of the tiny openings on leaves that allow gases to enter and exit?
Stomata
What is the term for the process by which decomposers break down dead plants and animals, returning nutrients to the soil?
Decomposition
Name the cycle that describes how rocks change from one type to another over time.
The rock cycle
What is the name of the large pool NASA uses to train astronauts for working in microgravity?
The Neutral Buoyancy Laboratory (NBL).