UNIT 2 Review - 2 answers

Front

What is the only form of technology that can detect images in space?

Back

Telescopes can capture images in all forms of the electromagnetic spectrum.

Front

What variable should be investigated to observe how waves travel at different speeds?

Back

The type of matter through which the waves travel.

Front

What is a sunspot?

Back

A location that is cooler than other parts of the Sun’s surface.

Front

How does light travel through different mediums?

Back

Light travels slowest through solids, faster through liquids, and fastest through gases.

Front

What describes electromagnetic radiation with a long wavelength?

Back

It has a low frequency and can travel through empty space.

Front

What is the electromagnetic spectrum?

Back

The range of all types of electromagnetic radiation, including visible light, radio waves, and X-rays.

Front

What is the speed of sound in air compared to water?

Back

Sound travels faster in water than in air.

Front

What is the relationship between wavelength and frequency?

Back

As wavelength increases, frequency decreases, and vice versa.

Front

What is a medium in the context of wave travel?

Back

A medium is the substance through which a wave travels, such as air, water, or solid materials.

Front

What is the definition of a wave?

Back

A wave is a disturbance that transfers energy from one place to another without transferring matter.