Biology
Anatomy
Chemistry
Physics
Earth Science
100

This is the powerhouse of the cell

Mitochondria

100

The largest organ of the human body

Skin

100

What is the chemical compound of water?

H20

100

This force keeps you from floating away from earth

Gravity

100

What is the natural satellite that orbits Earth?

Moon

200

What type of blood cells help the body fight infections?

White blood cells

200

What bone is commonly referred to as the collarbone?

Clavicle

200

What is the center of an atom called?

Nucleus

200

What equation, formulated by Einstein, relates mass and energy?

E=mc²

200
This bright natural display is sometimes called the Northern Lights

Aurora Borealis

300

What type of cell division results in two genetically identical daughter cells?

Mitosis

300

What type of joint allows the widest range of motion, such as the shoulder or hip?

Ball-and-socket joint

300

What element has atomic number 79?

Gold

300

What phenomenon causes light to bend when it passes from one medium to another?

Refraction

300

What is the term for molten rock beneath the Earth's surface?

Magma

400

What does DNA stand for?

Deoxyribonucleic Acid

400

What structure in the inner ear contains fluid and sensory hair cells that detect sound?

Cochlea

400

What element is liquid at room temperature and is used in thermometers?

Mercury

400

What is the term for the resistance of an object to changes in its motion?

Inertia

400

What is the name of the supercontinent that existed about 300 million years ago?

Pangaea

500

What type of bond links amino acids together in proteins?

Peptide Bond

500

This cranial nerve is responsible for smell

Olfactory Nerve (Cranial Nerve 1)

500

What type of bond forms when one atom donates an electron to another atom?

Ionic Bond

500

This effect makes the pitch of a passing ambulance siren sound higher as it approaches and lower as it moves away

The Doppler Effect

500

What term describes a sedimentary rock that forms from the accumulation of plant or animal remains?

Fossiliferous Rock

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