Open Sci Ed Forces at a Distance

What factors affect the strength of magnetic forces?

• Distance between the magnets

• Number of magnets

• Number of coils

• Strength of the current

Tags

NGSS.MS-PS2-3

True or False: Electromagnets can be turned off.

• True

• False

What direction does the magnetic force point?

• Out of north, into south

• Out of south, into north

• Out of north and south

• It has no direction

Tags

NGSS.MS-PS2-3

Which part of the speaker system vibrates so that we can hear the sound?

• Wire

• Magnet

• Cone/Membrane

• Music Player

Tags

NGSS.MS-PS4-2

What is the use of the magnet in the picture?

• to produce sounds

• to show directions

• to store information

Electrons which collect at the negative end of the battery, can flow to the positive end through a ___________________

• wire

• electron cloud

• magnet

Taking air out from between two magnets takes away the magnetic field.

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which is true about distance between objects and gravitational force based on this diagram?

• Decreased distance causes more gravitational force.

• Increased distance causes more gravitational force.

• Decreased distance causes less gravitational force.

• Distance between objects does not affect gravitational force.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Which of the following statements about mass and force of gravity is true based on the diagram?

• Increased mass causes more gravitational force.

• Decreased mass causes more gravitational force.

• Increased mass causes less gravitational force.

• Mass does not affect the strength gravitational force.

Tags

NGSS.MS-PS2-4

What is the relationship between mass of an object and its inertia?

• the more mass, the more inertia

• the less mass, the more inertia

• the more mass, the less inertia

• there is no relationship between mass and inertia