Science Quiz

What is the basic building block of matter?

• Molecule

• Element

• Atom

• Compound

What is a substance made up of only one type of atom called?

• Molecule

• Element

• Compound

• Atom

What is formed when two or more atoms join together?

• Element

• Compound

• Molecule

• Atom

What consists of two or more different elements?

• Atom

• Molecule

• Element

• Compound

What is the cycling of chemical elements through living and nonliving parts of an ecosystem called?

• Photosynthesis

• Cellular respiration

• Biogeochemical cycle

• Runoff

What is the precipitation that flows over the surface of soil called?

• Collection

• Runoff

• Transpiration

• Evaporation

What is the process by which precipitation is gathered into a body of water?

• Collection

• Runoff

• Condensation

• Transpiration

What process allows green plants to make sugars from sunlight, water, and carbon dioxide?

• Cellular respiration

• Photosynthesis

• Evaporation

• Condensation

What process in cells uses oxygen and glucose to produce energy and carbon dioxide?

• Photosynthesis

• Cellular respiration

• Transpiration

• Condensation

What is a source of energy formed from dead plants and animals?

• Fossil fuel

• Biogeochemical cycle

• Runoff

• Collection