What is gravity?
This force keeps us on the ground
What is the cell?
The basic unit of life
What is water?
H₂O is the chemical formula for this substance.
What is Mercury?
The planet closest to the Sun.
What is the crust?
The outermost layer of the Earth.
What is the ohm?
The unit of electrical resistance.
What is photosynthesis?
The process by which plants make food using sunlight.
What is the nucleus?
The center of an atom.
What is the Milky Way?
Our galaxy is called this
What is magma?
Molten rock beneath the Earth’s surface.
Who is Albert Einstein?
This physicist developed the theory of relativity
What is DNA?
The molecule that carries genetic information.
Who is Dmitri Mendeleev?
The periodic table was developed by this scientist.
Who is Neil Armstrong?
The first human to walk on the Moon.
What is condensation?
The process by which water vapor turns into liquid.
What is 300,000 km/s?
The speed of light is approximately this many km/s.
What is the heart?
This organ pumps blood throughout the human body.
What is an acid?
A substance with a pH less than 7.
What is Mars?
This planet is known as the Red Planet.
What is the Richter scale?
This scale measures earthquake strength.
What is Newton’s Third Law?
The law stating that for every action, there is an equal and opposite reaction
Who is Charles Darwin?
The scientist who proposed the theory of evolution by natural selection.
What is hydrogen?
The lightest element on the periodic table.
What is gravity?
The force that keeps planets in orbit around the Sun.
What is the Pacific Ocean?
The largest ocean on Earth.