Review

Students are observing freshwater and saltwater. Which safety equipment is needed? Complete the sentence by selecting the correct answer.

 The safety equipment needed are _____________________.

• aquariums

• goggles

• rulers

One group is classifying materials into groups of solids and liquids. Which of these does NOT belong to a group of liquids?

• rain water

• car toys

• milk

A student changed the physical properties of a pumpkin in the picture below.

• Folding

• Melting

• Cutting

Directions

Select all the correct answers.

Think like an engineer who is selecting materials to build a house. Which materials are best for building a real house to live in? Select TWO correct answers.

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A class set up an outdoor investigation. They put a piece of chocolate in the shade and a piece of chocolate in the sun.

• The chocolate in the shade turned red.

• The chocolate in the sun melted into a liquid.

• The chocolate in the sun stayed solid.

Sam wants to make a pizza. He has a ball of flour dough and a rolling pin. 

 Which of the following might happen when Sam uses the rolling pin to press down the ball of flour dough to make a pizza?

• The ball of flour dough will change shape.

• The ball of flour dough will change color.

• The ball of flour dough will change to liquid.

A student is observing rocks.

Which physical property can be used to put the rocks into groups?

• By the size

• How clean they are

• How pretty they are

A group of students are observing the color and texture of rocks. Which tool will help with their observations?

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Maria is using wood to build a birdhouse. In which TWO ways can Maria change the wood? Select TWO correct answers.

 

Example of a birdhouse

• The wood can be folded.

• The wood can be cut.

• The wood can be sanded.

Look at the picture. 

Which is NOT an example of a solid changing to a liquid?

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