PHYS UNIT TEST

What kind of energy is being shown in the picture?

• Light

• Gravitational

• Potential

• Kinetic

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

As the ball is dropped, the potential energy decreases while the kinetic energy increases however the amount of energy stays the same.

• True

• False

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

The rock has kinetic energy.

• True

• False

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which is the best example of kinetic energy?

• A car sitting on top of a hill

• A skateboard on the sidewalk

• A wagon rolling down a hill

• A powerwheel parked in the yard

Tags

NGSS.MS-PS3-1

Which two points have the same potential energy?

• U & V

• S & T

• T & X

• S & X

Tags

NGSS.MS-PS3-2

Which of these is an example of light energy being transformed into chemical energy?

• A glow stick lights up when broken.
• Water heated by the sun evaporates.
• A plant makes sugar in the sunlight.
• A battery causes a buzzer to vibrate.

Tags

NGSS.MS-LS1-6

Which kind of energy change occurs when a candle is burning?

• Chemical to light.
• Light to electrical.
• Solar to heat.
• Chemical to electrical.

Which of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on?

• chemical → light → electrical
• electrical → light → chemical
• light → electrical → chemical
• chemical → electrical → light

Some students observing a classroom device being used, noticed the below energy transformations. 
Electrical → Mechanical → Sound
Which device were the students most likely observing?

• A triple beam balance measuring an object’s mass.
• A pencil sharpener plugged into a wall outlet.
• A projector displaying a diagram on the screen.
• A working flashlight used to light up a dark corner.

Transfer of heat through

space

Key idea: NO touching

Ex: Sunlight warms earth's surface 

• Insulator

• Radiation

• Heat

• Convection

Tags

NGSS.MS-PS2-5