Bill Nye - Chemical Reactions

Front

Everything is made of _____

Back

chemicals

Front

Where was dynamite invented?

Back

Sweden

Front

Which element, with the symbol Ca, is found in milk?

Back

calcium

Front

When chemicals react with each other to make new chemicals, it's called _____

Back

a chemical reaction

Front

Which metal element, found in table salt, reacts violently with water?

Back

sodium

Front

What is a chemical reaction?

Back

A process where substances (reactants) transform into new substances (products) through the breaking and forming of bonds.

Front

What is the symbol for sodium?

Back

Na

Front

What is the main difference between a physical change and a chemical change?

Back

A physical change does not alter the chemical composition of a substance, while a chemical change does.

Front

What is the chemical formula for water?

Back

H2O

Front

What is an example of a chemical reaction?

Back

Burning wood, which produces ash, smoke, and gases.