When you jump up, this invisible force pulls you back down to earth.
What is gravity?
This squishy thing inside of your chest pumps blood throughout your body.
What is a heart?
This is the smallest building block of matter.
What is an atom?
This liquid is hot, melted rock found beneath the Earth's surface.
Hint: When it comes to earth's surface, it becomes lava!
What is magma?
The device that stores electricity for a later use is called...
What is a battery?
This is a round simple machine that helps wagons roll.
What is a wheel?
Your lungs fill with this when you take a deep breath.
What is oxygen?
This famous scientist developed theory of relativity.
Who is Albert Einstein?
A process where rocks are broken down by wind, water, or ice.
What is erosion?
This energy source powers solar panels.
What is the sun?
or
What is sunlight?
If you blow a feather into the air, it floats slowly because it doesn’t have much of this.
What is weight?
Some animals have bones on the outside of their body, like insects, crustaceans, and mollusks. These outside bones are called...
What is an exoskeleton?
This tiny particle orbits around the nucleus of an atom.
Hint: The nucleus has neutrons and protons.
What is an electron?
This is a process where water turns into vapor and rises into the air.
What is evaporation?
This kind of electricity is created when you rub a balloon on your hair.
What is static electricity?
This machine helps pull a flag up a pole.
Hint: It rhymes with Sulley!
What is a pulley?
Some animals, like dolphins, can jump out of water because of this force pushing them up.
What is buoyancy?
This is a term for energy that comes in tiny packets.
What is quantum?
Before the continents split apart, there was one large landmass called...
What is pangea?
This scientist discovered lightning was a form of electricity.
Who is Benjamin Franklin?
If you slide a watermelon across ice, it goes far, but not on carpet because of this force.
What is friction?
This process is used by plants to turn sunlight into "food," which creates oxygen.
What is photosynthesis?
This famous thought experiment involves a cat that is both alive and dead.
What is Schrödinger's Cat?
This instrument is used to measure earthquakes.
What is a seismograph?
We call materials that allow electricity to flow through easily this name.
What is a conductor?