Life Science
What is the process by which plants make their food using sunlight?
Photosynthesis
What planet is known as the Red Planet?
Mars
(Gravity)
What planet is the densest in our solar system, and also has only one satellite?
Earth
Scattering of sunlight
What do you call an animal that eats both plants and meat?
Omnivore
What is the closest star to Earth?
Sun
What is the chemical symbol for water?
H2O
Which planet is sometimes called Earth's sister planet?
Venus is like Earth's sister because they are extremely similar in size. However, atmosphere and surface-wise, they are two totally different planets.
How are rainbows made?
Light bending through water droplets
How many legs does a spider have?
Eight
(Magma, or Lava when it erupts)
What happens when a liquid turns into a gas?
How many planets in our solar system are made mostly of gas?
Four
Jupiter, Saturn, Uranus, Neptune are mostly made out of gases, usually helium and/or hydrogen, around a small rocky core. They are called "gas giants". They are also called Jovian planets (Jovian means "like Jupiter").
About how long does it take the moon to orbit the Earth?
28 Days
This period of time is called a Lunar Month. During the Moon's orbit it will appear to have different shapes when viewed from Earth. This is because the sun will only be able to reflect off certain parts of the Moon depending on where in its orbit the Moon is at the time.
What is a baby kangaroo called?
Joey
How many planets are in our solar system?
Eight
Nucleus
What is the planet closest to the sun?
Mercury
Earth is the third, and Venus is the second.
One theory in astrophysics is one about the creation of the universe. Many scientists believe that a small, dense mass blew up and expanded, thus creating the universe. Some believe it is still expanding. What is this theory popularly known as?
Big Bang Theory
What are animals without backbones called?
Invertebrates
What do you call a group of stars that forms a picture?
A constellation
What do you call frozen water?
Ice
I am not really a planet at all, although I used to be one.
Pluto
Who was the first person to walk on the moon?