Physical Science Review

Keesha has two balloons. She fills one balloon with water, and the other balloon is filled with air. Which statement is true about the mass and volume of the balloons?

• The volume of the balloon filled with water is greater, but the mass of the balloons is the same.

• The mass of the balloon filled with water is greater, but the volume of the balloons is the same.

• The mass and volume of the balloon filled with water are greater.

• The mass and volume of both balloons are equal.

Tags

NGSS.MS-PS1-2

Students are experimenting with different ways to separate mixtures into their original parts. What method would be the easiest way to separate a mixture of white rice and fine table salt?

• Use a sifter to separate by particle size.

• Use a bowl of water to separate by flotation.

• Use a magnet to separate by magnetism.

• Use tweezers to separate by shape.

The following diagram shows changes in the state of water. Which word describes the process shown by arrow 2?

• melting

• freezing

• evaporating

• condensing

Tags

NGSS.MS-PS1-4

Miriam has a standard golf ball and a lightweight golf ball. Each golf ball is struck with the same amount of force. Which statement is most likely true?

• The lightest ball would travel the farthest.

• The heaviest ball would travel the farthest.

• Both balls would travel the same distance.

• Both balls would travel to the same height.

Tags

NGSS.MS-PS2-2

Marla fills an ice cube tray with water and puts it into the freezer. Which of the following statements describes what will happen as the water freezes?

• The ice will sink to the bottom of the tray.

• The ice will expand and take up more space.

• The ice will not change in volume.

• The ice will evaporate.

Tags

NGSS.MS-PS1-4

Daniella has created a puzzle for her friend Opal to solve. Daniella has a box with holes in its front and its left and right sides. She shines a flashlight into the hole in the front. The light shines out of the hole on the right. What conclusion can Opal draw?

• There is another light in the box.

• The light on the left is being absorbed by the box.

• The light is blocked, so it is bending around the object.

• There is a mirror or other shiny object reflecting the light to the right.

Tags

NGSS.MS-PS4-2

Jo observed some changes and made a table to keep track of which changes formed new material and which changes did not. Which change did Jo put in the wrong column?

• Sharpening a pencil

• Baking a loaf of bread

• Pouring milk into a glass

• Crumpling aluminum foil into a ball

Tags

NGSS.MS-PS1-2

Mrs. Lopez is a chemist who is studying salt crystals. She wants to slow down the rate at which the crystals dissolve in a solution of water. What could she do to slow down the dissolving rate?

• Crush the salt.

• Stir the solution.

• Cool the solution.

• Heat the solution.

Tags

NGSS.MS-PS1-4

Gus uses a bowling ball to demonstrate how energy can cause changes. Which of the following actions would NOT demonstrate a change caused by Gus applying energy to the ball?

• Its mass will change

• Its state will change

• Its density will increase

• Its temperature will increase.

Tags

NGSS.MS-PS1-4

For breakfast one morning, Andrea used her stove to cook eggs for her family. What energy transformation happens when she turns on the stove?

• electrical energy into heat and light energy

• heat and light energy into electrical energy

• electrical energy into heat energy only

• heat energy into electrical energy