Waves (7th Grade)

How do scientists describe an object that allows light through but you cannot clearly see the image on the other side? Like tissue paper.

• translucent

• transparent

• opaque

• reflective

Tags

NGSS.MS-PS4-2

When you walk by a clear window you can clearly see objects on the other side. How do scientists describe the glass in the window?

• transparent

• translucent

• opaque

• obscure

Tags

NGSS.MS-PS4-2

If you try to look through a piece of wood you cannot see anything. What word describes an object that allows no light to pass through it?

• opaque

• translucent

• transparent

• obscure

Tags

NGSS.MS-PS4-2

True or False: A sound wave is an example of a mechanical wave.

• True

• False

Tags

NGSS.MS-PS4-1

Sara placed a straw in a glass of water. Looking at it from the side, it looks like the straw is broken. Why does the straw appear this way?

• refraction

• scattering

• reflection

• transmission

Tags

NGSS.MS-PS4-2

Which of the following objects is reflecting all the light hitting the object?

• a white tshirt

• a clear window

• a red book

• a black box

Tags

NGSS.MS-PS4-2

Different objects look different colors. What color light is being reflected by a blue shirt?

• blue

• red

• yellow

• white

Tags

NGSS.MS-PS4-2

True or False: A black t-shirt reflects all the colors of the light spectrum.

• True

• False

Tags

NGSS.HS-PS4-4

Which of the following is an example of a mechanical wave?

• sound wave

• visible light

• xrays

• radio waves

When white light passes through a prism, it creates a rainbow. What is different about the colors that make them appear as different colors?

• they have different wavelengths

• they have different speeds

• they have different shapes

• they bend in different directions