7.5 A Photosynthesis

Question 1

Energy from the Sun that reaches Earth as visible light, ultraviolet light, and infrared radiation (heat).

Answer 1

Radiant Energy

Question 2

Energy stored in the particles that make up food, fuel, and other matter, which is released during a chemical reaction such as wood, or the reactions that occur in the cells of organisms.

Answer 2

Chemical Energy

Question 3

A chemical reaction during which plants convert radiant energy from the Sun to chemical energy; a reaction that converts carbon dioxide and water to sugar (glucose).

Answer 3

Photosynthesis

Question 4

The process by which one or more substances change to produce one or more different substances.

Answer 4

Chemical Reaction

Question 5

A substance that takes part in and undergoes change during a reaction.

Answer 5

Reactants

Question 6

A substance produced during a chemical reaction.

Answer 6

Products

Question 7

A simple sugar molecule with stored chemical energy used by plants as their energy source; one of the main products of the photosynthesis process.

Answer 7

Glucose

Question 8

The smallest part of an element maintaining the chemical identity of that element.

Answer 8

Atom

Question 9

The simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically.

Answer 9

Molecule