Chemical Reactions

Front

What are the reactants in a chemical equation?

Back

The reactants are the beginning substances that undergo a chemical change.

Front

What are atoms?

Back

Atoms are tiny pieces of matter that everything is made of.

Front

What are the products in a chemical equation?

Back

The products are the ending substances that are formed as a result of a chemical reaction.

Front

What is a model in science?

Back

A model is an object, diagram, or computer program that helps us understand something by making it simpler or easier to see.

Front

What is a molecule?

Back

A molecule is a group of atoms joined together in a particular way.

Front

What is a chemical reaction?

Back

A chemical reaction is a process where reactants are transformed into products.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.

Front

What is a chemical equation?

Back

A chemical equation is a symbolic representation of a chemical reaction, showing the reactants and products.

Front

What is a catalyst?

Back

A catalyst is a substance that speeds up a chemical reaction without being consumed in the process.

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What is an exothermic reaction?

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An exothermic reaction is a chemical reaction that releases energy in the form of heat.