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Space

100

Which planet do we live on?

• A. Mars

• B. Earth

• C. Venus

• D. Jupiter

B. Earth

200

Which planet is known as the Red Planet?

• A. Mercury

• B. Saturn

• C. Mars

• D. Neptune

C. Mars

300

What is the largest planet in our solar system?

• A. Earth

• B. Saturn

• C. Jupiter

• D. Uranus

C. Jupiter

400

What force keeps planets in orbit around the Sun?

• A. Magnetism

• B. Friction

• C. Gravity

• D. Electricity

C. Gravity

500

What is the name of the galaxy that contains our solar system?

• A. Andromeda

• B. Milky Way

• C. Whirlpool

• D. Sombrero

B. Milky Way

The Human Body

100

Which organ pumps blood throughout your body?

• A. Lungs

• B. Brain

• C. Heart

• D. Stomach

C. Heart

200

How many bones does a typical adult human have?

• A. 106

• B. 206

• C. 306

• D. 406

B. 206

300

Which organs help you breathe by taking in oxygen?

• A. Kidneys

• B. Liver

• C. Lungs

• D. Intestines

C. Lungs

400

What is the largest organ of the human body?

• A. Heart

• B. Skin

• C. Brain

• D. Liver

B. Skin

500

Which part of the brain helps control balance and coordination?

• A. Cerebellum

• B. Spinal cord

• C. Hypothalamus

• D. Optic nerve

A. Cerebellum

Animal

100

What kind of animal is a frog?

• A. Mammal

• B. Reptile

• C. Amphibian

• D. Bird

C. Amphibian

200

What do honeybees collect from flowers to help make honey?

• A. Sand

• B. Nectar

• C. Tree bark

• D. Grass

B. Nectar

300

What is a group of wolves called?

• A. Flock

• B. School

• C. Pack

• D. Herd

C. Pack

400

What do we call an animal that eats only plants?

• A. Carnivore

• B. Herbivore

• C. Omnivore

• D. Decomposer

B. Herbivore

500

Which of these animals is an invertebrate (animal that lacks a backbone) ?

• A. Snake

• B. Spider

• C. Eagle

• D. Frog

B. Spider

Earth and Environment

100

Which gas do plants absorb from the air during photosynthesis?

• A. Oxygen

• B. Carbon dioxide

• C. Helium

• D. Hydrogen

B. Carbon dioxide

200

What is the process of liquid water turning into water vapor called?

• A. Freezing

• B. Condensation

• C. Evaporation

• D. Melting

C. Evaporation

300

What is the outermost solid layer of Earth called?

• A. Inner core

• B. Outer core

• C. Mantle

• D. Crust

D. Crust

400

What is the main reason Earth has different seasons?

• A. Earth moves much closer to the Sun in summer

• B. Earth's axis is tilted as it orbits the Sun

• C. The Moon blocks sunlight

• D. The Sun changes size throughout the year

B. Earth's axis is tilted as it orbits the Sun

500

Which type of rock forms when magma or lava cools and hardens?

• A. Sedimentary

• B. Metamorphic

• C. Igneous

• D. Fossil

C. Igneous

Physics and Chemistry

100

 What is the chemical formula for water?

• A. CO₂

• B. O₂

• C. H₂O

• D. NaCl

C. H₂O

200

What force opposes motion when two surfaces rub against each other?

• A. Gravity

• B. Friction

• C. Electricity

• D. Magnetism

B. Friction

300

What is the center of an atom called?

• A. Nucleus

• B. Electron cloud

• C. Molecule

• D. Cell

A. Nucleus

400

What is it called when a solid changes directly into a gas without becoming a liquid first?

• A. Condensation

• B. Sublimation

• C. Freezing

• D. Melting

B. Sublimation

500

A ramp is an example of which simple machine?

• A. Pulley

• B. Lever

• C. Inclined plane

• D. Wheel and axle

C. Inclined plane