CRCT Review

Energy, Waves, Sound, & Light

Convection currents do NOT take place in _________________.

• A) liquids• B) gases• C) solids• D) the ocean

The transfer of heat by collision of atoms in a solid is…

• A) conduction• B) convection• C) radiation• D) Thermal energy

You and your friends are telling ghost stories around a campfire. What type of heat transfer are you using?

• A) convection• B) conduction• C) radiation• D) insulation

In a vacuum (open space), heat transfer occurs by

• A) Conduction• B) Convection• C) Radiation• D) Thermal Energy

On Earth, cool air circulates to warm regions and warm air circulates to cooler regions. What type of heat transfer does this describe?

• A) conduction• B) Convection• C) Radiation• D) Fahrenheit

Electricity is a type of ______.

• A) energy• B) machine• C) matter• D) light

Waves transfer _____.

• A) matter• B) energy• C) particles• D) water

Long wavelength makes _____ frequency.

• A) high• B) low• C) zero• D) fast

According to Doppler Dan, if a sound is moving toward you then the pitch is ___________.

• A) Low• B) High• C) loud• D) soft

According to Doppler Dan, if a sound is moving away from you then the pitch is ___________.

• A) low• B) high• C) loud• D) soft

The wave property that is related to the height of a wave is the _____.

• A) wavelength• B) amplitude• C) frequency• D) wave speed

Waves that don’t require a medium are __________.

• A) longitudinal waves• B) electromagnetic waves• C) surface waves• D) mechanical waves

When you look in the mirror, what type of light behavior are you observing?

• A) refraction• B) reflection• C) diffraction• D) interference

How does a prism make a rainbow?

• A) refraction• B) reflection• C) diffraction• D) interference

You walk down a dark hallway and suddenly a light spills out of an open

doorway. What light wave behavior have you experienced?

• A) Reflection• B) Refraction• C) Interference• D) Diffraction

When light is refracted, the visible color spectrum is displayed. What is the

acronym we use to remember the colors?

• A) PEMDAS• B) ROYGBIV• C) MVEMJSUN• D) SONAR

Light waves are more than just the light we see. What is another kind of light wave that we DON’T see?

• A) red• B) sun• C) radio• D) blue

Hand Lens Problem Solving

• Teachers sometimes use overhead projectors to show transparencies on a screen. What type of lens does an overhead projector use?

A) ConvexB) ConcaveC) Flat-planeD)eye

How do electromagnetic waves emitted by the sun heat the Earth?

• A) conduction• B) convection• C) radiation• D) insulation

What type of wave interaction is an echo?

• A) reflection• B) refraction• C) diffraction• D) interference

What are the three types of mirrors and lenses?

• A) cone, rectangle, oval• B) curved, flat, round• C) concave, convex, plane• D) square, concave, convex

If you are farsighted, you cannot see _____ and you need a ____ lens.

• A) far away, concave• B) far away, convex• C) close-up, concave• D) close-up, convex

If you are nearsighted, you cannot see _____ and you need a ____ lens.

• A) far away, convex• B) far away, concave• C) far away, convex• D) far away, concave