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What is it called when plants convert sunlight into energy?
Photosynthesis.
What is the force that pulls objects toward the center of Earth?
Gravity.
Which organ is responsible for pumping blood to the rest of the body?
The heart
What is the process called when a liquid turns into a solid?
Freezing.
What is the smallest unit of matter called?
An atom.
What is the center of the earth called?
The core
What is the chemical formula for water?
H2O.
The outermost layer of the Earth
the crust
What percentage of the Earth’s surface is covered in water?
71%.
True or false: The larger an object’s mass, the greater its gravitational pull.
True
What is the force that resists motion when two solid surfaces rub against each other?
Friction.
Cumulus, cirrus, and stratus are three types of what?
Clouds.
It stores the DNA of the organelle.
nucleus
Large pieces of the lthosphere that move around on the Earth's surface.
tectonic plates
How long is an adult’s large intestine?
About 5 feet.
An organism that eats both plants and animals
omnivore
Who first identified the laws of motion?
Sir Isaac Newton
True or false: All living things are made up of cells.
True.
What’s the largest planet in our solar system?
Jupiter.
The planet that is no longer a planet
Pluto
Animals that eat only plants
herbivores
Charged particles from solar winds that slow down when they reach our atmosphere is the cause of an _______
Aurora
What is the unit for measuring electric power?
Watts.
How many bones do sharks have in their body?
Zero. Their skeletons are made of cartilage instead of bone.
What is the name of the structures that carry genetic information in our cells?
DNA