Front

What is the basic unit of matter?

Back

Atoms are the basic unit of matter made of protons, neutrons, and electrons.

Front

What process converts glucose to cellular energy?

Back

Respiration is the process by which glucose is converted to cellular energy, often with the use of oxygen.

Front

What is a tiny, negatively charged particle that moves around the nucleus of an atom?

Back

An electron is a tiny, negatively charged particle that orbits the nucleus of an atom.

Front

What are C, Pb, and K examples of?

Back

C, Pb, and K are examples of elements.

Front

What is the area at the mouth of a river where its currents meet the ocean?

Back

An estuary is the area at the mouth of a river where its currents meet the ocean.

Front

What is the center of an atom called?

Back

The nucleus is the center of an atom, containing protons and neutrons.

Front

What is the process by which plants make their own food using sunlight?

Back

Photosynthesis is the process by which plants convert sunlight into chemical energy.

Front

What is a substance made of two or more elements chemically bonded together?

Back

A compound is a substance made of two or more elements chemically bonded together.

Front

What is the term for a mixture that has a uniform composition throughout?

Back

A homogeneous mixture is a mixture that has a uniform composition throughout.

Front

What is the positively charged particle in an atom?

Back

A proton is the positively charged particle found in the nucleus of an atom.