SMS 7th Grade PS Review

Front

Is this equation balanced?

Back

Yes, a balanced equation has the same number of each type of atom on both sides.

Front

Which part of a plant cell is responsible for photosynthesis?

Back

Chloroplast - it contains chlorophyll and converts sunlight into energy.

Front

How many elements are in C6H12O6?

Back

3 - Carbon (C), Hydrogen (H), and Oxygen (O) are the three elements.

Front

What is the right part of a chemical equation called?

Back

Products - the substances formed as a result of a chemical reaction.

Front

Which elemental symbol corresponds to the element Oxygen?

Back

O - the chemical symbol for Oxygen.

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

Front

What are reactants in a chemical reaction?

Back

Reactants are the starting substances that undergo a chemical change.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is photosynthesis?

Back

The process by which green plants use sunlight to synthesize foods from carbon dioxide and water.

Front

What is the function of mitochondria in a cell?

Back

Mitochondria are the powerhouses of the cell, generating energy through respiration.