5th grade Science Review- Unit 2 Matter

Front

The 3 physical states of matter are:

Back

solid, liquid, gas

Front

A liquid does not have a definite____ but does have definite____.

Back

shape and volume

Front

A ______ is a type of mixture in which the particles of one or more substances are dissolved.

Back

solution

Front

When a substance spreads out uniformly in a liquid it means that the substance can _______. Options: melt, freeze, evaporate, dissolve

Back

dissolve

Front

A combination of 2 or more substances that can easily be separated is a ______.

Back

mixture

Front

Properties of matter that can be observed, measured, or changed without changing the matter itself are _______.

Back

physical properties

Front

A solution is a mixture that cannot be easily separated, evenly dissolves, and does not maintain its physical properties.

Back

True

Front

Examples of physical changes: breaking a pencil, kool aide, baking a cake with 4 different ingredients, strawberry milkshake. Which is a physical change?

Back

breaking a pencil

Answer explanation

The pencil undergoes a physical change because even though it gets broken into 2 pieces, it continues to be a pencil. The other examples take 2 or more ingredients and create 1 item.

Front

Items to create a solution: water, sugar and lemon juice; milk and cheerios; water and sand; marshmallows and chocolate chips.

Back

water, sugar and lemon juice

Front

A mixture is made up of 2 or more substances that can be

Back

separated easily