Environmental Science
Physics
Chemistry
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Random
100

This process, done by plants, uses sunlight to make food and releases oxygen into the air.

Photosynthesis

100

This force keeps you from floating away and gives objects weight

Gravity

100

This type of bond forms when atoms share pairs of electrons.

Covalent bond

100

What molecule carries genetic information?

DNA

100

What is the closest planet to the Sun?

Mercury

200

The process of changing to survive in an ecosystem is called?

Adaptation

200

This type of energy is stored in an object due to its position, such as a book on a high shelf.

potential energy

200

This number, found on every element’s periodic table square, tells you how many protons it has.

Atomic number

200

What organelle is responsible for making energy in a cell?

Mitochondria

200

This phenomenon occurs when the Moon passes directly between the Earth and the Sun.

Solar Eclipse

300

This term describes the maximum population size an environment can sustainably support.

Carrying capacity

300

What is the term for a force that opposes motion between two surfaces in contact?

Friction

300

Chemical symbol for gold

Au

300

What cell organelle modifies and packages proteins?

Golgi apparatus

300

What is the largest organ in the body?

Skin

400

What is the term called when there is rivalry between living things for resources? Also a term in sports. 

Competition

400

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

Inertia

400

This law states that matter cannot be created or destroyed in a chemical reaction.

Law of conservation of mass

400

What is the process where cells divide to make identical copies?

Mitosis

400

What is the pH of pure water at room temperature?

7

500

This term describes a species that has a disproportionately large effect on its ecosystem, such as sea otters controlling sea urchin populations.

Keystone species

500

This law states that for every action, there is an equal and opposite reaction.

Newton's Third Law

500

This type of intermolecular force, stronger than London dispersion but weaker than ionic bonds, occurs between polar molecules

Dipole-dipole interactions

500

What molecule provides energy for cells

ATP

500

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

Nitrogen

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