Biology
CHEM
Physics
100

What is the basic unit of life?

The cell

100

What is the atomic number of carbon?

6
100

What is the unit of force?

Newton (N)

200

What process do plants use to make their own food?

Photosynthesis

200

What is the pH of pure water?

7 (neutral)

200

What is the term for energy in motion?

Kinetic energy

300

What is the main function of the circulatory system?

To transport blood and nutrients throughout the body.

300

What is the chemical formula for water?

 H₂O

300

What is the force that attracts objects towards the Earth?

Gravity

400

What type of organism is a mushroom?

Fungi

400

What is the most common element in the Earth's atmosphere?

Nitrogen

500

What is the term for a group of organisms of the same species living in the same area?

Population

500

What type of bond is formed when two atoms share electrons?

Covalent bond

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