Students measure and record the mass and volume of a sample material.

The table shows the densities for four substances.

Identity Density (g/cm³)

Plywood 0.54

Aluminum 2.7

Rubber 1.1

Glass 2.5

Based on the density sample, which materials is the sample most likely made of?

• Plywood

• Aluminum

• Rubber

• Glass

Tags

NGSS.MS-PS1-2

A student wants to build a boat that will float on the water using cubes. By their calculations they need 267 cubes with the dimensions shown to the left and with a mass of 7 grams. From the list below what cube type would be the perfect material for a boat?

Cube material Density (g/cm³)

metal 1.9 - 2.7

drift wood 0.24 - 0.36

paper mache 0.12 - 0.19

rubber 1.1 - 1.7

• rubber

• driftwood

• paper mache

• metal

Tags

NGSS.MS-ETS1-1

NGSS.MS-PS1-2

Boxes of different masses are pushed along a flat surface. The table shows some variables for each cart. Which two boxes experienced the same net force?

• Box 1 and 2

• Box 2 and 3

• Box 2 and 4

• Box 1 and 3

Tags

NGSS.MS-PS2-2

Babies are being pulled up a hill in their strollers. The table shows some variables for each of the baby strollers. Which two baby strollers experienced the same net force?

• 2 and 4

• 2 and 3

• 1 and 3

• 1 and 4

Tags

NGSS.MS-PS2-2

An unbalanced force of 21 Newtons is shown acting on an object that has a mass of 7.0 kg. Based on the information, complete the sentence to predict the motion of the object.

Enter your answer in the box. Your answer must be a whole number.

As long as the force acts on the object, the object will continue to move in the east and its velocity will increase by _______ m/s every second

Mathematical Equivalence

ON

Tags

NGSS.MS-PS2-2

An unbalanced force of 54 Newtons is shown acting on an object that has a mass of 9.0 kg. Based on the information, complete the sentence to predict the motion of the object.

Enter your answer in the box. Your answer must be a whole number.

As long as the force acts on the object, the object will continue to move in the west and its velocity will increase by _______ m/s every second

Mathematical Equivalence

ON

Tags

NGSS.MS-PS2-2

The table shows the motion data for two cars during two trials of an investigation. Which car travels at the greater average speed and why?

Tags

NGSS.MS-PS3-1

The table shows the motion data for two runners during two trials of a track meet. Which runner travels at the greater average speed and why?

Tags

NGSS.MS-PS3-1