2023 TN Ready Essentials

The model shows which of the following?

• An electric current producing a magnetic field.

• A changing magnetic field producing an electric current.

• How an electromagnet works.

• How a motor works.

Tags

NGSS.HS-PS2-5

Which of the following could make an electromagnet stronger?  (Choose two.)

• Decrease the number of coils around the nail.

• Use two batteries instead of one.

• Reverse the direction of the current.

• Add more coils of wire to the nail.

• Take the nail out and use only the wire solenoid.

Tags

NGSS.MS-PS2-3

What is the model shown below and which energy conversion will be demonstrated?

• This is a generator and demonstrates that mechanical energy is changed into electrical energy.

• This is a DC Motor and demonstrates that mechanical energy is changed into electrical energy.

• This is a generator and demonstrates that electrical energy is changed into mechanical energy.

• This is a DC Motor and demonstrates that electrical energy is changed into mechanical energy.

Which of the following models has the GREATEST ATTRACTIVE electrical force between the charged particles?

• A

• B

• C

• D

Tags

NGSS.MS-PS2-3

Which of the following are non-contact forces?  (Select three.)

• GRAVITY

• FRICTION

• APPLIED FORCE

• MAGNETISM

• STATIC ELECTRICITY

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

This is a Distance-Time Graph. What is happening during segment D?

• The object is going down a hill.

• The object is slowing down.

• The object is going a constant speed away from the starting point.

• The object is going at a constant speed and returning to the starting point.

Tags

NGSS.MS-PS3-1

Which of the following correctly describes the motion in each?

• Both graphs show an object moving at constant speed.

• Graph A shows an object not moving. Graph B shows an object moving at a constant speed.

• Graph A shows an object moving at a constant speed. Graph B shows an object accelerating.

• Graph A shows an object moving at a constant speed. Graph B shows an object slowing down.

Tags

NGSS.MS-PS3-1

Which of the following correctly describes acceleration?

• speeding up

• speeding up or slowing down

• speeding up, slowing down, or changing direction

Tags

NGSS.MS-PS2-2

Which of the following objects would be experiencing acceleration?  (Select two.)

• A car traveling on a straight road at 70 mph.

• A football on its way down to the ground.

• A book at rest on a table.

• A car slowing down to stop.

Tags

NGSS.MS-PS2-2

A bug gets killed when it collides with a car windshield.  The car exerts a force of 100 Newtons on the bug.  How much force did the bug exert on the windshield?

• 100 Newtons

• Less than 100 Newtons

• Greater than 100 Newtons

• This cannot be calculated with the information given.

Tags

NGSS.MS-PS2-1