Which letter represents amplitude? (a)  

• A
• B
• C
• D
• E

Tags

NGSS.MS-PS4-1

Which wave in the diagram has the greatest frequency?

Mathematical Equivalence

ON

Select all that apply. Sound -

• requires a medium (matter) to travel through

• does NOT require a medium (matter) to travel through.

• CANNOT be heard in the vacuum of space

• CAN be heard in the vacuum of space

• is mechanical energy

Sound travels FASTEST through which of these materials?

• Air
• Empty space
• Metal
• Water

Which medium is sound traveling the fastest in?

• aluminum

• air

• steel

• pure water

Tags

NGSS.HS-PS4-1

What is it called when light waves enter a substance?

• refraction

• reflection

• energy

• absorption

Tags

NGSS.MS-PS4-2

Why does this car appears red under a white light?

• The car is absorbing the red light and reflecting the blue and green.

• The car is reflecting only the red light while absorbing the blue and green.

• The car is absorbing the red and green light while reflecting the blue.

• The car is absorbing the red, blue and green, but our eyes can only see the red.

Which wave behavior is the bouncing back of a wave when it meets a surface or object that does not absorb the entire wave’s energy.

• Reflection

• Refraction

• Absorption

• Transmission

Tags

NGSS.MS-PS4-2

Which wave behavior occurs when waves pass through a medium or the vacuum of space?

• Reflection

• Refraction

• Absorption

• Transmission

Tags

NGSS.MS-PS4-2

____________ materials allow no light waves to be transmitted through

• Transparent

• Translucent

• Opaque

Tags

NGSS.MS-PS4-2