Earth Science
What layer of Earth do we live on?
The crust
What do plants use to make their own food?
Sunlight
What force pulls objects toward Earth?
Gravity
What is the closest star to Earth?
The Sun
What tool is used to look at very small things?
Microscope
What is molten rock called when it is inside Earth?
Magma
What gas do humans breathe in to survive?
Oxygen
What state of matter is air?
Gas
What planet do we live on?
Earth
What do we call a good guess based on what we know?
Hypothesis
What type of rock is formed from cooled lava?
Igneous rock
What is the process plants use to make food called?
Photosynthesis
What simple machine is a ramp?
An inclined plane
What planet is known as the Red Planet?
Mars
What tool measures temperature?
Thermometer
What causes earthquakes?
Movement of tectonic plates
What part of the plant absorbs water?
Roots
What happens to water when it freezes?
It becomes solid (ice)
What do we call a rock that falls from space to Earth?
Meteorite
What is the first step in the scientific method?
Ask a question
What is the center of a hurricane called?
The eye
What is it called when animals sleep through winter?
Hibernation
What type of energy is stored energy?
Potential energy
What force keeps planets orbiting the Sun?
Gravity
What do we call changing only one thing in an experiment?
Controlled variable