Life Science
These are the building blocks of all living things
cells
This force pulls objects toward the ground.
gravity
We live on this planet.
Earth
You use this tool to see things that are very small.
microscope
This planet is known as the "Red Planet.
Mars
Plants make their own food using this process
photosynthesis
This state of matter has a definite shape and volume.
solid
The Moon gets its light by reflecting this.
Sun
You measure temperature with this tool.
thermometer
Humans breathe in oxygen and breathe out this gas.
carbon dioxide
The human body has this many lungs
two
These tiny particles make up everything around us.
atoms
These large rocks orbit between Mars and Jupiter.
asteroids
A statement you can test in an experiment.
hypothesis
This is the only planet that supports life as we know it.
Earth
This organ pumps blood throughout the body
heart
The opposite of freezing is this.
melting
This is the spinning movement of the Earth that causes day and night.
rotation
You use this tool to measure liquids in science class.
graduated cylinder
This animal is the largest mammal on Earth.
blue whale
This type of animal has a backbone
vertebrate
This is what happens when light bends as it passes through water or glass.
refraction
These shaking movements happen when Earth's plates shift.
earthquakes
In an experiment, this is the part you change on purpose.
independent variable
This scientist is famous for discovering gravity after an apple fell from a tree.
Isaac Newton