Biology
Psychology
Environmental Science
Chemistry
Physics
100

This molecule carries genetic instructions in nearly all living organisms.

What is DNA?

100

This branch of psychology focuses on the brain and nervous system.

What is biological psychology?

100

A renewable energy source that comes from the Sun.

What is solar energy?

100

The smallest unit of an element that retains its properties.

What is an atom?

100

This force keeps us anchored to the Earth.

What is gravity?
200

The process by which plants use sunlight to make food.

What is photosynthesis?

200

The process of taking in information from the environment through the senses.

What is sensation?

200

This gas is most commonly associated with climate change.

What is carbon dioxide?

200

A substance with a pH less than 7.

What is an acid?

200

The formula for speed is distance divided by this.

What is time?

300

These cell parts are known as the “powerhouses” because they produce energy.

What are mitochondria?

300

This type of memory lasts only a few seconds without rehearsal.

What is short-term memory?
300

The variety of life in an ecosystem is known as this.

What is biodiversity?

300

This number tells you how many protons an atom has.

What is the atomic number?

300

An object’s resistance to changes in motion.

What is inertia?

400

This body system includes the heart, blood, and blood vessels.

What is the circulatory system?

400

This famous psychologist developed the hierarchy of needs.

Who is Abraham Maslow?
400

These organisms break down dead plants and animals.

What are decomposers?

400

A reaction that absorbs heat from its surroundings.

What is an endothermic reaction?

400

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

What is Newton's Third Law?

500

The type of cell division that produces gametes with half the usual chromosomes.

What is meiosis?

500

This psychological effect explains why context can change how we perceive visual illusions.

What is top-down processing?

500

The gradual increase in Earth’s average temperature is called this.

What is global warming?

500

The type of bond formed by sharing electrons.

What is a covalent bond?

500

The unit used to measure electric current.

What is the ampere?