We breathe in oxygen and breathe out this.
What is carbon dioxide?
The object that is made of ice mixed with dust.
What is a comet?
The gas needed for photosynthesis.
What is carbon dioxide?
The number of legs a spider has.
What are eight?
Name the third "R" of conservation: reduce, reuse and ____________
What is recycle?
The chemical in green plants that gives them their color.
What is chlorophyll?
The approximate length of time it takes the moon to circle the earth.
What is 28 days?
The diagram that lists all the known elements on earth.
What is the periodic table?
An octopus releases this to cloud the water and escape from enemies.
What is ink?
Food for a flea.
What is blood?
The basic unit of life.
What is a cell?
The planet closest to the sun.
What is Mercury?
The phase change when a liquid turns into a gas.
What is evaporate?
The type of animal whos temperature changes with it's environment.
What is cold-blooded?
The tool that measures volume to the nearest mL.
What is a graduated cylinder?
Organelle that undergoes cellular respiration.
What is the mitochondria?
The body of water that has the most earthquakes along its edges.
What is the Pacific Ocean?
The phase change, from a gas to a liquid, that forms clouds.
What is condensation?
A precious object that you might find in an oyster.
What is a pearl?
Shooting stars are actually these.
What are meteors?
A diagram showing the relationships between the interactions of all living things in an environment.
What is a food web?
The constellation of stars that includes the Big Dipper.
What is the Great Bear (Ursa Major)?
The element needed by all living things that cannot be used in the gas form and needs to be fixed by bacteria.
What is nitrogen?
The behavior that an animal knows at birth and doesn't have to learn.
What is instinct or innate?
What a barometer measures.
What is air pressure?