4B Science (Unit 5: L. 1 & L. 4) STUDY-GUIDE

Cara places a group of objects on her desk. She wants to describe the objects in terms of a single property. Which physical property is similar for all of these objects?

• shape

• texture

• hardness

• attraction to magnets

Mariano wants to measure the volume of a 2-cm cube. What are two instruments that he could use to find the volume of the cube?

• A) ruler and spring scale

• B) pan balance and ruler

• C) ruler and graduated cylinder

• D) graduated cylinder and spring scale

Dale has a comic book, a notebook, a writing pad, and a CD. Which of these items would not belong in the group if Dale classifies them by the physical property of shape?

• CD

• comic book

• notebook

• writing pad

The three states of matter are solid, liquid, and gas. Which is an example of water as a solid?

• A) Snowman

• B) Boiling water

• C) Ice

• D) Clouds

Water changes states when energy is added or taken away. Which claim describes what happens to liquid water when energy is added?

• It melts into a gas.

• It freezes into a solid.

• It evaporates into a gas.

• It condenses into a solid.

What happens when water changes from a gas to a liquid?

• It melts.

• It freezes.

• It condenses.

• It evaporates.

Isamar changed water from a liquid to a gas. What did Isamar do to the water?

• She froze the water.

• She melted the water.

• She added energy to the water.

• She removed energy from the water.

Water is found in all three states of matter. Which shows the change of state involved when water freezes?

• changes from a solid into a gas

• changes from a gas into a liquid

• changes from a solid into a liquid

• changes from a liquid into a solid

The table shows some properties of water in different states. Solid: Feels cold, Liquid: ?, Gas: has no definite shape. Which property should be put into the second column?

• has strong odor

• tastes sour

• feels dry

• fits the shape of its container

• tastes sour

• has strong odor

• fits the shape of its container

• feels dry

A pan balance is used to measure a physical property of objects. The illustration below shows the measurement of the property of an apple. What property does the pan balance measure?

• length

• mass

• shape

• volume