Mechanical Energy (Savvas)

What is mechanical energy?

• Energy from the sun

• Energy an object has due to its motion or position

• Energy from food

• Energy from sound

Tags

NGSS.MS-PS3-5

What pulls the roller coaster train to the top of the lift hill?

• A motor

• A chain

• A rope

• A spring

What is height in the context of a roller coaster?

• The speed of the train

• The distance above the ground

• The weight of the train

• The length of the track

Tags

NGSS.MS-PS3-2

What takes over once the roller coaster train reaches the top of the hill?

• The motor

• The chain

• The force of gravity

• The brakes

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What do moving objects in a system have?

• Chemical energy

• Mechanical energy

• Electrical energy

• Thermal energy

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

NGSS.MS-PS3-4

What do tests help engineers decide about a roller coaster?

• The color of the coaster

• If there will be enough energy for the ride

• The number of seats

• The sound of the ride

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

How can you measure and compare the speeds of two bikes using time?

• Use a ruler.

• Use a stopwatch.

• Use a thermometer.

• Use a compass.

How can you measure and compare the speeds of two bikes using distance?

• Use a finish line.

• Use a clock.

• Use a scale.

• Use a map.

Tags

NGSS.MS-PS3-1

What happens to mechanical energy when an object is higher above the ground?

• It decreases.

• It stays the same.

• It increases.

• It disappears.

Tags

NGSS.MS-PS3-2

What happens to some of the cyclist's mechanical energy at position 2?

• It changes to speed.

• It disappears.

• It stays the same.

• It increases.

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4