TNReady Science

TRUE OR FALSE: Inertia can be described as, " the tendency of an object to resist any change in its motion."

• True

• False

What is Friction ?

• The distance an object travels per unit of time

• Speed in a given direction

• Force that opposes motion

• Force that pulls objects towards each other

Tags

NGSS.MS-PS2-2

What is the net force acting on the object? (Just write the number)

Tags

NGSS.MS-PS2-2

Why is it harder for the boy in Image B to get down the hill?

• Motion

• Friction

• Work

• Displacement

If a student has two magnets, how might it be determined which magnet is stronger?

• Count how many paper clips each magnet can lift.

• Submerge each magnet in a bowl of water.

• Examine each magnet to determine the north pole.

• Measure the length and the mass of both magnets.

When the rope is pulled, in which direction will the bricks move?

• Outward

• Upward

• Inward

• Downward

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the best method of separation for removing salt from salt water.

• Sifting

• Sorting

• Evaporation

• Magnetic attraction

• Filtration

Tags

NGSS.MS-PS1-4

What is the best method of separation for separating oil and water?

• Sifting

• Sorting

• Evaporation

• Magnetic attraction

• Floatation

Which of the following in NOT an example of a mixture?

• Macaroni and cheese

• Chocolate milk

• Aluminum can

• Salt water

When substances are combined as a mixture, _______________.

• they keep their physical properties

• their physical properties combine

• their physical properties change

• they lose some of their physical properties