Answers PBCSD_Grade_Forgiveness_2001310_Earth Space Science_S2_2019Unit Test

Unit Test Answers

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The frequency of a wave does not change as it passes from one medium to another.What will most likely happen if a light wave moves from the air into a solid?

The wavelength of the light wave will increase.

The speed of the light wave will decrease.

The wavelength of the light wave will remain the same.

The speed of the light wave will remain the same.

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Which statement explains one way that ponds and lakes differ?

Ponds are shallower than lakes.

Ponds are larger than lakes.

Pond water moves more than lake water.

Lakes have more plants at the bottom than ponds.

Which example would contain only longitudinal waves?

a crowd doing the wave at a sporting event

an ultrasound that transmits soundwaves

the waves formed by the ocean

playing the guitar strings

Which material is an aquifer layer most likely made of?

soil

clay

solid granite

cracked rocks

Which correctly lists the three main ocean zones?

deep, neritic, surface

intertidal, deep, surface

neritic, intertidal, open ocean

open ocean, deep, continental

Atomic bombs send out a shock wave when they are detonated. This occurs because the bomb’s detonation superheats the air particles nearby, which cause them to bump into other air particles that further the wave.Which statement can most likely be made about the shock waves of atomic bombs?

They are mechanical waves.

They are electromagnetic waves.

They will act like x-rays.

They will act like light rays.

Which phrase describes one type of freshwater wetland?

acidic areas found in northern climates

reservoirs created by dams at the end of rivers

areas of high elevation that feed into river systems

large, deep body of water that contains fresh water

A farmer is analyzing cross sections of his land to determine where to build a well. Which phrase describes the best area to dig down to the groundwater?

where the saturated zone is 15 meters deep

where the water table is at 100 meters deep

where the unsaturated zone is 50 meters thick

where there is a 25-meter thick clay layer at the surface

Which action causes breakers?

Waves hit the shore at an angle and transport sand.

Water flows away from the shore and moves sand with it.

Underwater earthquakes cause motion throughout ocean water.

Waves meet the shore and cause the crest to spill over the trough.

Which equation should be used to calculate the speed of a wave?

speed = frequency x wavelength

speed = frequency x hertz

speed = period x wavelength

speed = period x hertz

Which event typically causes upwelling?

Wind blows warm water away from the shore.

Warm water rises to the surface of the ocean.

Neap tides move cold water away from the shore.

Cold water falls to the bottom of the ocean and pushes warm water up.

Which open-ocean zone order shows decreasing temperature?

deep zone, transition zone, surface zone

surface zone, transition zone, deep zone

transition zone, surface zone, deep zone

surface zone, deep zone, transition zone

A landscaper is shopping for landscaping materials. She wants to use materials through which water flows easily.Which two materials should she choose?

clay and gravel

gravel and loosely packed soil

granite and rocks with cracks

rocks with cracks and clay

Which event may occur when ocean salinity increases?

mass of water increases

freezing point of water increases

sunlight in deeper locations decreases

amount of dissolved gases in water increases

Which types of waves requires matter to carry energy?

electromagnetic waves only

mechanical waves only

electromagnetic and mechanical waves

longitudinal and electromagnetic waves

Which statement describes an attribute of an artesian well?

requires a bucket

uses natural pressure

needs a mechanical pump

is heated by hot rocks or magma

Which refers to the number of wavelengths that pass a fixed point in a second?

wavelength

amplitude

frequency

compression

Henri draws a wave that has a 4 cm distance between the midpoint and the trough. Geri draws a wave that has an 8 cm vertical distance from the trough to the crest.Which statement best describes the energy in Henri and Geri’s waves?

Henri’s wave has a higher amplitude and more energy.

Henri’s wave and Geri’s wave have the same amplitude and the same energy.

Henri’s wave and Geri’s wave have the same amplitude, but Geri’s has more energy.

Geri’s wave has a higher amplitude and more energy.

Which is one characteristic of deep ocean currents?

Deep ocean currents move quickly.

Deep ocean currents are caused by winds.

Deep ocean currents move cold water toward the equator.

Deep ocean currents are affected by temperature but not by salinity.

Which correctly lists three water sources that contribute to a river system?

groundwater, ponds, streams

lakes, rivers, ponds

rivers, streams, watersheds

streams, lakes, oceans

Which type of energy turns tidal turbines to create electrical energy?

kinetic

potential

solar

thermal

Which statement best describes how waves carry energy?

Energy moves from one place to another through the wave.

Energy increases as it moves through the wave.

Energy is completely consumed by the beginning of the wave.

Energy builds through the wave and is released at the end.

Which correctly lists the three zones that further divide the open-ocean zone?

deep zone, intertidal zone, neritic zone

neritic zone, surface zone, trench zone

deep zone, surface zone, transition zone

intertidal zone, neritic zone, surface zone

Which correctly lists three places that fresh water is found?

rivers, oceans, lakes

oceans, coastal wetlands, seas

ice sheets, water vapor, rivers

water vapor, streams, oceans

A wave of infrared light has a speed of 6 m/s and a wavelength of 12 m. What is the frequency of this wave?

0.5 Hz

2.0 Hz

18 Hz

72 Hz

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