Physical Science Benchmark

True or false?  In space sound travels and light does not.

• True
• False

Which is an example of reflection?

• Straw looking bent in the water
• Looking at your image in the mirror
• Wearing a black shirt on a sunny day
• painting the walls of your room white

Which is better to send data?

• Analog
• Digital

Which is not a medium for sound to travel?

• wood
• water
• railroad tracks
• space

When light shines on an object, it can be:

• reflected
• transmitted
• absorbed
• all answers are correct

Wax paper is:

• transparent
• translucent
• opaque

What part of the electromagnetic spectrum can humans see?

• Visible light 
• Invisible light

True or false?  Light travels in waves.

• True
• False

Foil is a(n) _____ material.

• translucent
• transparent
• opaque

If you drop a wrench in space, will you hear it hit a lunar rover?

• yes
• no