Why can we often see reflections on the surface of a lake? (A) Because light is refracted in the water (B) Because light is absorbed by the water (C) Because light bounces off the smooth surface of the water

Which of the following objects can refract light? (A) A mirror (B) A prism (C) A flashlight

Where can you often see reflections of light? (A) In the surfaces of lakes (B) In a shadow (C) On the moon

Sound can travel through all of the following EXCEPT: (A) Air (B) Vaccum (C) Solids

Why can't sound travel through a vacuum? (A) There are no vibrations in a vacuum. (B) Sound needs air or a medium to travel through. (C) The vacuum is too cold for sound.

Which of these is the correct order of colors in the visible spectrum, from longest to shortest wavelength? A) Violet, Blue, Green, Yellow, Orange, Red B) Red, Orange, Yellow, Green, Blue, Violet C) Green, Yellow, Blue, Red, Violet, Orange

Which list correctly labels the sound wave? (A) 1. Rarefaction 2. Compression 3. Wavelength (B) 1. Compression 2. Rarefaction 3. Wavelength (C) 1. Wavelength 2. Rarefaction 3. Compression

What is sonar used for? (A) To measure temperature in the ocean (B) To help people hear better (C) To map the ocean floor

When light passes through water or a magnifying glass, it changes direction. This is called: (A) Reflection (B) Refraction (C) Absorption

What word correctly goes in the blank to complete the diagram? (A) Amplitude (B) Frequency (C) Crest

Which material does sound travel through the fastest? (A) Air (B) Water (C) Solids

What type of wave is light? (A) Longitudinal wave (B) Transverse wave (C) Sound wave

Which of the following colors is NOT part of the visible spectrum? (A) Red (B) Green (C) Pink