light and sound

You look through a stained-glass window. The window is _____.

• Transparent

• Translucent

• Opaque

Tags

NGSS.4-PS4-2

Which will best reflect light rays?

• Waxed paper

• A glass jar

• A mirror

Tags

NGSS.MS-PS4-2

Circle the sources of light. Choose all that apply.

• Light bulb

• Sun

• Flower

Tags

NGSS.4-PS4-2

Circle the objects that will most likely cause a shadow. Choose all that apply.

• Tree

• Glass

• Stop sign

Tags

NGSS.5-ESS1-2

When do sound waves form? Circle all that apply.

• When an object moves back and forth on a table.

• When an object is sitting still on a table.

• When an object is hit by a hard object like a stick.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Put them in order from the least light that will pass through to the most: (least light through) to (most light through).

• You have three plastic cups. One is translucent. One is opaque. One is transparent.

• You have three plastic cups. One is transparent. One is opaque. One is translucent.

• You have three plastic cups. One is opaque. One is transparent. One is translucent.

• You have three plastic cups. One is translucent. One is transparent. One is opaque.

Tags

NGSS.MS-PS4-2

To see an object in a dark room, three things must occur: a source of light, the object reflecting light, and an observer with functioning vision. Which of the following statements correctly lists these three things?

• A light source, an object that reflects light, and an observer.

• A dark room, a moving object, and a silent observer.

• A reflective surface, a powered lamp, and an observer idling.

• A darkness break, an object in motion, and an observer with night vision.

Tags

NGSS.4-PS4-2

A device that you can use to communicate over a long distance is the Telephone.

• Telephone

• Radio

• Computer

• Telegraph

Tags

NGSS.MS-PS4-3

A good material to put on a floor to quiet the sound of footsteps is:

• Carpet

• Tile

• Wood

• Marble

Which will best reflect light rays?

• Waxed paper

• A glass jar

• A mirror

Tags

NGSS.MS-PS4-2