4th Grade: Big Ideas 8 & 9 part 1

Front

What is a chemical change?

Back

A chemical change is a process where one or more substances are transformed into new substances with different properties. Example: Burning of wood.

Front

What is a physical change?

Back

A physical change is a change in matter that does not alter the chemical composition of a substance. Example: Melting of ice.

Front

What happens during freezing?

Back

Freezing is the process where a liquid changes into a solid.

Front

What tool is used to measure mass?

Back

A balance scale is used to measure mass.

Front

Which container holds the greatest volume of water?

Back

Container B holds the greatest volume of water.

Front

What is the definition of volume?

Back

Volume is the amount of space that a substance or object occupies.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is an example of a physical property?

Back

An example of a physical property is color, shape, or density.

Front

What happens during a chemical reaction?

Back

During a chemical reaction, substances undergo a transformation to form new substances.

Front

What is an example of a chemical change?

Back

An example of a chemical change is rusting of iron.