STAAR Review Cat 2

Which of the following examples best demonstrates kinetic energy?

• A brick lying on the ground

• A kite flying across the sky

• A television sitting on a table

• A curtain hanging in the window

Tags

NGSS.MS-PS3-1

The pendulum is released from Position 1. At which two positions will the pendulum’s potential equal its kinetic energy?

• 1 and 2

• 2 and 4

• 3 and 4

• 4 and 5

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which is the best example of an object with only potential energy?

• A boat moving through the water

• A boulder resting on top of a cliff

• A ball being thrown across a field

• Water being poured out of a pitcher

Which two measurements are needed in order to calculate the speed of an object in motion?

• Distance and time

• Time and mass

• Force and distance

• Volume and time

If an object travels 42 meters in 6 seconds, what is its average speed?

• 6 m/s

• 7 m/s

• 42 m/s

• 252 m/s

A graph is provided. The graph shows the speed of a car traveling east over a 12 second period. Based on the information in the graph, it can be concluded that in the first 6 seconds, the car is –

• changing its direction.

• experiencing less and less friction.

• accelerating at a constant rate.

• climbing a steep incline.

Tags

NGSS.MS-PS3-1

Which type of energy transformation occurs when a flashlight shines?

• Chemical-->thermal-->electrical

• Chemical-->thermal-->light

• Thermal-->chemical-->light

• Chemical-->electrical-->chemical

A television works by transforming electrical energy into what other kinds of energy?

• Light, thermal, and sound

• Thermal, chemical, and solar

• Sound, mechanical, and electrical

• Light, chemical, and mechanical

Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?

• Chemical-->Thermal

• Light-->Chemical

• Thermal-->Light

• Chemical-->Electrical

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Two students apply force to a box at rest on the floor. What is the total amount of force in Newtons acting on the box and in which direction?

• 10 N Left

• 10 N Right

• 70 N Left

• 70 N Right

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2