Review Game Lesson 2 and 3 L2

Front

What does it mean when there is a physical change?

Back

Matter has changed size, shape or form.

Front

What is an example of a physical change that happens inside your body?

Back

Food being broken down into small pieces by your teeth.

Front

A cup of water is left outside for two days. When it was checked there was only half a cup left. What happened?

Back

evaporation; physical change

Front

What is an example of a chemical change that happens inside your body?

Back

Food being broken down by acids in your stomach.

Front

A chemical reaction that releases heat is ....

Back

exothermic

Front

In an endothermic reaction the temperature of the surroundings will ....

Back

decrease

Front

A student combined two substances to allow them to react. The temperature of the surroundings before the reaction was 25 ° C. The temperature of the surroundings after the reaction was 18° C. Which of the following is true?

Back

The reaction is endothermic

Front

How many atoms of carbon (C) are in C₆H₁₂O₆?

Back

6

Front

What is the Law of Conservation of Mass?

Back

It states that no matter can be created or destroyed.

Front

Chemical reactions occur when _________ are broken and new bonds are formed.

Back

chemical bonds