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100

Who discovered the law of gravity? 

Issac Newton


100

What is the basic unit of life?

The cell



100

What is the formula for calculating speed?

Speed = Distance / Time

100

What is the first element of the periodic table?

Hydrogen (H)

100

How many elements are on the standard periodic table?

118

200

What scientist is best known for his creation of E = mc2?

Albert Einstein 

200

What is the process by which plants make their own food using sunlight?

photosynthesis


200

What is Newton's first law of motion?

An object will remain at rest or in uniform motion unless acted upon by an external force.

200

What element has the chemical symbol Na?

Sodium 

200

What is the center of an atom called?

Nucleus

300

Which scientist is best known for his theory of evolution by natural selection?

Charles Darwin

300

What is the largest organ in the human body?

Skin

300

What is the term for the change in velocity over time?

Acceleration


300

What is the pH of pure water at 25°C?

7 (neutral) 

300

What is the term for the liquid part of blood?

Plasma

400

What Physicist worked on the physics of the black holes in the 1970's?

Stephen Hawking

400

What is the genetic material that carries instructions for cell function and heredity?

DNA 

400

What is the term for the resistance of a material to a change in its motion?

Interia 

400

Which gas is most commonly used in the process of photosynthesis?

Carbon Dioxide (CO2)

400

What type of animal is a frog?

Amphibian

500

Which scientist discovered saturn's rings?


Galileo Galilei

500

What are the tiny air sacs in the lungs where gas exchange occurs?

Alveoli 

500

What is the unit of energy?

Joule (J)


500

What is the main difference between an ionic bond and a covalent bond?

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

500

What is the name of the first human-made satellite to orbit the Earth?

Sputnik 1