Science Flashcard

Front

What is a subscript in a chemical formula?

Back

A small number written below and to the right of a chemical symbol.

Front

What is the margin of error?

Back

The amount a measurement might be off by.

Front

What does the Law of Conservation of Mass state?

Back

Matter cannot be created or destroyed in a chemical reaction; the total mass stays the same before and after the reaction.

Front

What is the chemical formula for Acetic Acid?

Back

CH₃COOH

Front

What do plants use to make food?

Back

Carbon Dioxide

Front

What is a chemical formula?

Back

A way to represent a chemical substance using symbols for its elements.

Front

What is the difference between a reactant and a product?

Back

Reactants are substances that start a chemical reaction, while products are substances formed as a result of the reaction.

Front

What is photosynthesis?

Back

The process by which plants use sunlight, carbon dioxide, and water to make food.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a molecule?

Back

Two or more atoms bonded together.