NWEA Science Practice Test

Force is measured in...

• Kilograms

• m/s

• Newtons

• Joules 

A student wished to design an investigation to determine the effect of changing the mass of an object when an unbalanced force is applied the object.<\/p>

What should she use as the independent variable in her investigation?<\/p>

• Time<\/p>

• Force<\/p>

• Mass<\/p>

• Speed<\/p>

Tags

NGSS.MS-PS2-2

What question were they most likely trying to answer?

• Does the mass of a car affect the distance the car travels?

• Does the distance the car travels affect the time?

• Does the force on a car affect the change in motion?

• Does the mass of a car affect the distance the car travels?

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The downward force is and the upward force is .

• Gravity/ air resistance

• Air resistance/ Gravity

• Mass/ Distance

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

................and.................are forces that affect the motion of all objects.

• Mass and Distance

• Gravity and Force

• Friction and Gravity

• Gravity and Mass

Tags

NGSS.MS-PS2-4

A group of students were asked to improve the design of the car shown. What is the first thing they should do according to the engineering design process?

• Adjust the wheels of the car and determine if it works better.

• Design a solution to make the wheels work better.

• Identify the problem that needs to be improved.

• Ask what materials they could use to fix the problem.

Tags

NGSS.MS-ETS1-1

A rock with a mass of 70 grams is dropped into a graduated cylinder with 30 mL of water in it. The water level rose as shown. Calculate the density of the rock in g/mL. The density of the rock is (a)  

• 14 g/mL

• 30 g/mL

• 70 g/mL

• 5 g/mL

Tags

NGSS.MS-PS1-2

Using water displacement, calculate the volume of the ring. You must include your units.

Look at the chart. Which answer choice correctly describes the chart?

• Column A describes metals

• Column A describes nonmetals

• Column B describes metalloids

• Both Column A and Column B describe metals

What would be the effect on the particles if more heat is supplied to the system?

• They would slow down

• They would stop moving

• They would speed up

• There would be no effect

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4