8.8AB + 8.9BC Review

The wave frequency of a tsunami is greater closer to shore compared to farther at sea. What patterns can be observed in a tsunami wave as it approaches shore?

• It speeds up and increases in amplitude.

• It speeds up and decreases in amplitude.

• It slows down and increases in amplitude.

• It slows down and decreases in amplitude.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The diagrams show a wave before and after more energy was applied. Compare the original wave with the new wave after the change. How did the characteristics of the wave change after the energy was applied? Circle TWO correct answers.

• The energy applied increased the frequency.

• The energy applied increased the amplitude.

• The energy applied increased the wavelength.

• The wavelength and frequency decreased after energy was applied.

• The amplitude remained the same before and after energy was applied.

Tags

NGSS.MS-PS4-1

A wave diagram is shown. What is the amplitude of the wave?

• 2 m

• 4 m

• 6 m

• 8 m

Tags

NGSS.MS-PS4-1

Jessie and Ada plan an investigation to examine the effect on plant growth of exposure to only blue light. After reviewing their supplies, they realized that they only have a red light. Based on the pattern in the diagram, how do the characteristics of the red light they have compare to those of the blue light needed for their investigation? The blue light needed for the investigation has a __________ wavelength than the red light they have. The blue light also has a __________ frequency and __________ energy than the red light they have available to them.

Tags

NGSS.MS-PS4-1

NGSS.MS-LS1-5

A technician uses electromagnetic waves of a certain frequency range to sterilize a lab surface. Which type of electromagnetic waves would be best for this purpose?

• radio waves

• microwaves

• infrared waves

• ultraviolet waves

Tags

NGSS.HS-PS4-4

Night vision goggles were invented in the 1930s and first used in World War II. They allow a person to “see” in the dark by converting radiated heat into visible light waves that the eyes can detect. Which statement explains how night vision goggles convert a type of electromagnetic radiation into a visible image?

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Animal tracking is an important technique used to follow the movement of wild animals and to locate lost pets. One method is to implant a small device in the animal that can receive and send long-wavelength, low-energy radiation using global positioning satellites (GPS). Which type of electromagnetic wave would be best suited for this process?

• radio waves

• visible waves

• gamma waves

• ultraviolet waves

Tags

NGSS.MS-PS4-2

The properties of electromagnetic waves with different frequencies and energies make them useful for specific purposes that help humans. Connect the type of wave with the descriptions and their uses. Sort the answers below.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which of the following correctly shows the order of size from smallest to largest?

• galaxy → our solar system → space between galaxies

• our solar system → galaxy → space between galaxies

• our solar system → space between galaxies → galaxy

• galaxy → space between galaxies → our solar system

Galaxies are made up of various things. Write the letter of ONE correct answer on each line to complete the sentences. Not all answers will be used. Galaxies are composed of __________, gas, and __________ held together by gravity. Some stars form in __________, which are large clouds of gas and dust.