Unit review

Which object has the lowest mass

• Beach ball

• Wooden Box

• Glass bottle

This photo shows the dish soap being poured into water. What is the relationship between the water and the dish soap.

• The dish soap is denser than water. This makes it sink.

• The dish soap is less dense than water. This makes it float

• The dish soap is denser than water. This makes it float.

• The dish soap is less dense than water. This makes it sink

Tags

NGSS.MS-PS1-2

This illustration shows a balancer measuring a wooden block. Hailey says the mass of the block is equal to 25 grams. Is her conclusion correct? Explain.

Cassie is conducting an experiment to test the relative density of object by placing them in a water tank. Which of these object do you predict are less dense than water? What will happen when the objects are placed in the water tank?

Tags

NGSS.MS-PS1-2

This is a photo of a cardboard box. It has a large volume but the mass is low. How can an object have a large volume but a low mass. Explain.

In this illustration, there are four objects at the bottom of a tank of water. Jasmine thinks she can use a magnet to retrieve all of the objects. Is Jasmine's reasoning correct? Explain.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A student uses a magnet to test the physical properties of a material. What can they learn about the material using a magnet? Explain.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

An object is being identified by its physical properties. The item is magnetic. Which statement is most likely true about the object?

• The object is plastic

• the object is metal

• the object is glass

• the object is wood

Tags

NGSS.MS-PS2-3

Observe the photo of the screwdriver. The screwdriver is made of several different materials. Explain the process for testing to see whether the materials are magnetic.

Tags

NGSS.MS-PS1-2

Which of these items are not magnetic?

• Paper clip

• staples

• plastic beads

• silver spoon.