Known for its rings.
What is Saturn.
Anything that takes up space and has mass.
What is matter.
A measure of the pull of gravity on an object.
What is weight?
The first man to travel in space.
Who is Yuri Gagarin?
The ability of crustaceans to grow back lost body parts.
What is regeneration?
The morning star.
What is Venus?
The amount of matter in one unit of volume.
What is density?
The name given to the number of protons in an element.
What is atomic number?
The first American to orbit the earth.
Who is John Glenn?
Spiders belong to this class.
What is arachnid?
The speediest planet.
What is Mercury?
A substance composed of only one type of atom.
What is element?
Lacking an electrical charge.
What is neutral?
The first man to set foot on the moon.
Who is Neil Armstrong?
Rock that is formed formed by sand and mineral particles pressed together.
What is sedimentary?
Discovered by the Herschels.
What is Uranus?
A tiny group of two or more atoms that are bonded tightly together.
What is molecule?
Formed by electrons that are in orbit at about the same distance from the nucleus.
What is shell (electron shell)?
The man who discovered that white light is a combination of many colors.
Who is Isaac Newton?
Magma that has reached the earth’s surface.
What is lava?
Jupiter’s largest moon.
What is Ganymede?
Substances that are composed of more than one type of atom bonded together.
What are compounds?
The chemical reaction that occurs when a substance reacts rapidly with oxygen.
What is combustion?
The man known as the “Father of Modern Rocketry.”
Who is Robert Goddard?
A scientist who studies the structure of the earth.
What is geologist?