Select the correct answer. If light travels in a straight line, why is it possible to see yourself in a mirror?
Sunlight is colorful.
Smooth and shiny surfaces reflect light waves.
Water and glass are opaque and refract light waves.
Bright light waves cannot be bent.
Select the correct answer. Which scientific instrument would you use to examine rocks?
telescope
microwave
magnifying lens
computer
Select the correct answer. What color of paper caused the most temperature increase?
black
white
metal
green
Select the correct answer. In which situation would evaporation most likely occur?
a bag of ice left in a cooler
a cup of water left on a sunny picnic table
a cup of water left in an air conditioned room
a sealed soda bottle left in an air conditioned room
Select the correct answer. The planets orbit around the Sun because
