Open Sci Ed

Which of the following would likely have the highest pitch?

• A drum being hit softly

• A whistle being blown loudly

• A guitar string being plucked gently

• A large bell being rung

Short sound waves are...

• high pitched

• low pitched

• medium pitched

Tags

NGSS.MS-PS4-1

What is changed in the second picture?

• Someone is talking louder in picture 2

• Someone is talking softer in picture 2

• Someone is talking lower pitch in picture 2

• Someone is talking higher pitch in picture 2

Tags

NGSS.MS-PS4-1

Graph_________has the lowest frequency

• D

• E

• B

Tags

NGSS.MS-PS4-1

When light continues to pass through an object without changing its path

• reflect

• transmit

• absorb

• refract

Tags

NGSS.MS-PS4-2

The illustration shows a light striking an object. In the illustration, the light striking the object is-

• absorbed

• stopped

• reflected

• refracted

Tags

NGSS.MS-PS4-2

Which of the following shows that light travels in a straight line? There are 2 correct answers. Mark them BOTH.

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS4-2

You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.

• They type of pot you put the plants in.

• The amount you water each plant.

• The amount of sunlight the plants get.

• The amount the plant grows.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

reflect

• stained glass window

• light that bounces off an object

• glass of water

• clear window

Tags

NGSS.MS-PS4-2

Which item reflects light?

• Mirror

• Wax paper

• Magnifying glass

• Prism

Tags

NGSS.MS-PS4-2