For Kathy to see the image, light must have entered her eyes. What specifically entered Kathy's eyes? 

• Only energy
• Only matter
• Matter and energy 
• Neither 

A wave in which the particles of the medium vibrate parallel to the direction of the wave motion. 

• Transverse Wave
• Longitudinal Wave 
• Rainbow Wave
• Ocean Wave

What does this diagram represent?

• Diffraction
• Reflection
• Interference
• Refraction

Why do green plants look green?

• Reflect blue and yellow wavelengths
• Absorb green wavelengths
• Transmit green light
• They reflect green wavelengths of the visible spectrum

Which of the following would reflect rather than refract? 

• Magnifying Glass
• Lens
• Mirror
• Prism

A periodic disturbance in a solid, liquid, or gas as energy is transmitted through a medium.

• Longitudinal Wave
• Wave
• Transverse Wave
• Mechanical Wave

A substance or material that carries a wave.

• Medium
• Amplitude
• Crest
• Mechanical Wave

What types of material does sound not travel well through? 

• Solids
• Plasma
• Gases
• Liquids

Waves consist entirely of ?

• Energy
• Water
• Light
• Sound

What is the top of a wave called?

• Crest
• Trough
• Amplitude
• Wavelength