Biology
Chemistry
Astronomy
Earth
Famous Scientists
100

What is the largest organ in the human body?

Skin
100

What is the main component of Earth's atmosphere?

Nitrogen

100

What is the name of the largest planet in our solar system?

Jupiter

100

What is the name of the largest ocean on Earth?

The Pacific Ocean

100

Which scientist developed the theory of relativity?

Albert Einstein

200

Which part of the plant absorbs sunlight to make food?

Leaves

200

Which element is represented by the symbol Au?

Gold

200

What is the name of the star at the center of our solar system?

The Sun

200

What is the name for the process in which rock and soil are broken down by wind, water, or ice?

Weathering

200

Who is known for his work on gravity and the laws of motion?

Isaac Newton

300

What process do plants use to convert light energy into chemical energy?

Photosynthesis

300

What is the name for the scale used to measure how acidic or basic a substance is?

The pH scale. 

300

Which planet is known for its prominent system of rings?

Saturn

300

What is the name for a deep valley with steep sides, often formed by a river?

A canyon

300

Who is known as the "father of genetics"?

Gregor Mendel

400

What is the process by which a cell divides into two identical daughter cells?

Mitosis

400

What is the most common metal in the Earth's crust?

Aluminum

400

What is the name of the famous comet that is visible from Earth every 75-76 years?

Halley's Comet

400

What is the name for the underground layer of rock or soil that holds groundwater?

An aquifer

400

Who is known for her work on radioactivity and was the first woman to win a Nobel Prize?

Marie Curie

500

What is the name of the cell structure responsible for generating most of the chemical energy needed to power the cell's biochemical reactions?

Mitochondria

500

What is the name for the principle that states that at a constant temperature and pressure, the volume of a gas is directly proportional to the number of moles of the gas?

Avogadro's Law

500

What is the name of the astronomical unit of distance equal to about 3.26 light-years?

A parsec

500

What is the name for the boundary between two tectonic plates?

A fault

500

Which scientist is known for developing the periodic table of elements?

Dmitri Mendeleev

600

What is the name for the enzyme that unzips the DNA double helix during replication?

DNA helicase

600

The Law of Conservation of Mass was first formulated by which French chemist?

Antoine Lavoisier.

600

What is the name of the hypothetical boundary of a black hole, beyond which no matter or energy can escape?

The event horizon

600

What is the name for the process in which magma solidifies into rock?

Crystallization

600

Who is known for his work on the principles of buoyancy and levers?

Archimedes

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