5th grade Science Review- Unit 2 Matter

During a science class, Priya was asked to identify the 3 physical states of matter. What are they?

• rock, paper, scissors

• solid, liquid, gas

• metal, glass, wood

• solid, liquid, glass

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

• shape and volume

• flavor and color

• volume and mass

• mass and weight

Answer explanation

A liquid does not have a definite shape, meaning it takes the shape of its container, but it does have a definite volume, which is the amount of space it occupies. Therefore, the correct answer is 'shape and volume'.

Emma is making lemonade and notices that sugar dissolves completely in water, forming a ______. What is this type of mixture called?

• solution

• mixture

• density

• solubility

When Mason adds sugar to his tea and it spreads out uniformly, it means that the sugar can _______.

• melt

• freeze

• evaporate

• dissolve

What do you call a combination of substances that can be separated by physical means?

• solution

• compound

• mixture

• element

Daniel is observing different objects in his science class. He notices that some properties can be observed, measured, or changed without changing the object itself. These are known as _______.

• obvious properties

• physical properties

• matter properties

• states of matter

Is a solution a homogeneous mixture that cannot be easily separated and has uniform properties throughout?

• Yes

• No

• Possibly

• Uncertain

Identify the example of a physical change from the list below.

• melting ice

• burning wood

• rusting iron

• cooking pasta

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.

If you want to create a solution, which items would you use?

• water, sugar and lemon juice

• milk and cheerios

• water and sand

• marshmallows and chocolate chips

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

• eaten fast

• put in the microwave

• separated easily

• easily dissolved