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100

What organelle produces energy?

Mitochondria

100

What type of organism is a fungus?

Eukaryote

100

What planet is known as the Red Planet?

Mars

100

What is the name of our galaxy?

Milkyway

100

What is the unit of mass?

Kilogram

100

What is the basic unit of work?

Joule

100

What is the unit of electric current?

Ampere

100

What is the pH of pure water?

Seven

100

What is the chemical symbol for gold?

Au

100

What is the chemical symbol for iron?

Fe

200

What process do plants use to make food?

Photosynthesis

200

What is the chemical formula for table salt?

NaCl

200

What is the study of heredity called?

Genetics

200

What is the study of living organisms called?

Biology

200

What is the bone in the upper arm called?

Humerus

200

What is the basic unit of the nervous system?

Neuron

200

What is the largest bone in the human body?

Femur

200

What is the study of ecosystems called?

Ecology

200

What is the smallest unit of an element?

Atom

200

What is the term for the amount of matter in an object?

Mass

300

What is the largest planet in our solar system?

Jupiter

300

What is the hottest planet in our solar system?

Venus

300

What is the term for the energy of motion?

Kinetic

300

What is the term for the bending of light?

Refraction

300

What is the term for the total energy of a system?

Enthalpy

300

What gas do plants absorb during photosynthesis?

Carbon

300

What is the main component of natural gas?

Methane

300

What element is represented by the symbol 'O'?

Oxygen

300

What is the heaviest naturally occurring element?

Uranium

300

What is the term for a solution with a pH less than 7?

Acid

400

What is the term for the process of breaking down food

Digestion

400

What is the term for the area where an organism lives?

Habitat

400

What is the term for a moon that is fully illuminated?

Full

400

What is the term for a celestial body that orbits a planet?

Moon

400

What is the term for a star that has exploded?

Supernova

400

What is the term for the change of state from liquid to gas?

Evaporation

400

What is the force that pulls objects toward the Earth?

Gravity
400

What is the term for the change in velocity?

Acceleration

400

What is the term for the resistance to change in motion?

Inertia

400

What is the term for the study of celestial objects?

Astronomy

500

What term describes the variety of species in a given area?

Biodiversity

500

What is the term for the path of a planet around the Sun?

Orbit

500

What is the name of the part of the eye that controls light entry?

Pupil

500

What is the name of the organ responsible for detoxification?

Liver
500

What is the process of a solid turning into a gas?

Sublimation

500

What is the unit of temperature in the metric system?

Celsius

500

What is the process by which water vapor turns into liquid?

Condensation

500

What is the term for the variety of life in an ecosystem?

Biodiversity

500

What is the main greenhouse gas produced by human activities?

Carbon

500

What is the most abundant gas in the Earth's atmosphere?

Nitrogen

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