Quiz about 8th Grade Science State Test Review

Question 1

What property of this wave is represented by the letter "A"

Accepted Answer

wavelength

Answer

amplitude

Answer

crest

Answer

trough

Question 2

What property of the wave is represented by the letter "B"?

Accepted Answer

amplitude

Answer

crest

Answer

trough

Answer

wavelength

Question 3

The highest point on a wave is:

Accepted Answer

the crest

Answer

the trough

Answer

the top

Answer

the coast

Question 4

The lowest point on a wave is the:

Accepted Answer

Trough

Answer

Amplitude

Answer

Crest

Answer

Wavelength

Question 5

The number of wavelengths that pass a point each per second is:

Accepted Answer

frequency

Answer

period

Answer

longitudinal

Answer

transverse wave

Question 6

The type of waves that require medium to pass:

Accepted Answer

Mechanical Waves

Answer

Electromagnetic Waves

Question 7

When the frequency of a wave increases, what happens to the wavelength?

Accepted Answer

The wavelength decreases.

Answer

The wavelength is not directly affected by the frequency of a wave.

Answer

The wavelength increases.

Answer

More specific information is needed to form a conclusion about the wavelength.

Question 8

Which vocabulary term is used to identify the distance between points C & G?

Accepted Answer

Wavelength

Answer

Amplitude

Answer

Crest

Answer

Frequency

Question 9

A mechanical wave cannot travel through...

Accepted Answer

a vacuum(empty space).

Answer

water.

Answer

air.

Answer

glass.

Question 10

Which wave in the diagram has the greatest frequency?

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 11

When a wave bends as it passes through at an angle from one medium to another.(example: pencil in a glass of water-)

Accepted Answer

refraction

Answer

medium

Answer

reflection

Answer

interference

Question 12

What type of wave is this?

Accepted Answer

Longitudinal

Answer

Transverse

Question 13

What part is represented by the blue lines?

Accepted Answer

Amplitude

Answer

Crest

Answer

Resting Point

Answer

Wavelength

Question 14

Bending of waves around an object (such as through a doorway)

Accepted Answer

diffract

Answer

sound

Answer

pitch

Answer

volume

Question 15

How high or low a sound is; depends on the frequency (greater frequency= higher pitch)

Accepted Answer

pitch

Answer

frequency

Answer

sound

Answer

medium

Question 16

You and your father inspect an empty house with the hopes of buying it. You walk through the rooms talking to one another, and you notice that your voices and footsteps are echoing in the big, empty house. What causes the echo?

Accepted Answer

sound waves reflecting off smooth, flat surfaces throughout the house

Answer

sound waves moving around the large rooms

Answer

sound waves moving slowly through air

Answer

sound waves refracting around corners in the empty rooms

Question 17

Cletus wants to make ear protectors for people who work around loud jet engines at Hartsfield Airport in Atlanta. Which of the following materials should he experiment with for the best results?

Accepted Answer

a material that absorbs sound

Answer

a material that produces sound

Answer

a material that transmits sound

Answer

a material that amplifies sound

Question 18

As the fire truck approached Mary, the pitch of the siren got higher. Once the fire truck passed and moved away, the siren's pitch got lower. This change in pitch is because of a change in the sound wave's

Accepted Answer

frequency.

Answer

concussion.

Answer

amplitude.

Answer

reflection.

Question 19

A _________ object does not allow light to pass through it.

Accepted Answer

opaque

Answer

translucent

Answer

light

Answer

prism

Question 20

Which of the following is not an example of a mechanical wave?

Accepted Answer

Light wave

Answer

Sound wave

Answer

Water wave

Answer

Seismic wave

Question 21

What type of wave is a light wave?

Accepted Answer

A electromagnetic wave

Answer

A sound wave

Answer

A seismic wave

Answer

A mechanical wave

Question 22

What is the amplitude of this model wave?

Accepted Answer

10mm

Answer

0mm

Answer

5cm

Answer

15cm

Question 23

Why is a light wave not considered a mechanical wave?

Accepted Answer

A light wave travels through the vacuum of space.

Answer

A light wave is visible to humans.

Answer

A light wave moves faster than most waves.

Answer

A light wave does not have a wavelength.

Question 24

What is the frequency of this model wave?

Accepted Answer

3 waves per second

Answer

10 waves per second

Answer

6 waves per second

Answer

2 waves per second

Question 25

How is an electromagnetic wave different from a mechanical wave?

Accepted Answer

An electromagnetic wave can travel through a vacuum, but a mechanical wave cannot.

Answer

An electromagnetic wave travels slower than a mechanical wave.

Answer

An electromagnetic wave has a larger amplitude than a mechanical wave.

Answer

An electromagnetic wave has no wavelength, but a mechanical wave has a wavelength.

Question 26

Based on your observations of the prism, select the true statements.

Accepted Answer

When light travels through a prism, the light is separated by wavelength.

Accepted Answer

Humans see the different wavelengths of visible light as different colors.

Answer

The prism is being used to combine different colors of light.

Answer

The light bends when it enters the prism and again when it leaves the prism.

Question 27

A light wave is considered to be an electromagnetic wave. But what other kind of wave is it?

Accepted Answer

Transverse wave

Answer

Surface wave

Answer

Longitudinal wave

Question 28

Why does this car appears red under a white light?

Accepted Answer

The car is reflecting only the red light while absorbing the blue and green.

Answer

The car is absorbing the red light and reflecting the blue and green.

Answer

The car is absorbing the red and green light while reflecting the blue.

Answer

The car is absorbing the red, blue and green, but our eyes can only see the red.

Question 29

What is ultraviolet light

Accepted Answer

Light that has more energy than regular light so we can't see it.

Answer

Light that has less energy than regular light so we can't see it.

Answer

Light that is only given off at night.

Answer

Light that only All Might can see.

Question 30

Based on your observations of the prism, select the true statements.

Accepted Answer

When light travels through a prism, the light is separated by wavelength.

Accepted Answer

Humans see the different wavelengths of visible light as different colors.

Answer

The prism is being used to combine different colors of light.

Answer

The light bends when it enters the prism and again when it leaves the prism.

Question 31

What are the 3 major types of rocks?

Accepted Answer

Igneous, Metamorphic, Sedimentary

Answer

Metamorphic, Igneous, Cementation

Answer

Brown, Red, Gray

Answer

Streak, Hardness, Breakage

Question 32

A rock formed from fragments of other rocks is a(n)

Accepted Answer

Sedimentary Rock

Answer

Metamorphic Rock

Answer

Extrusive Rock

Answer

Igneous Rock

Question 33

If heat and pressure inside the Earth cause a rock to melt, the material that formed would be

Accepted Answer

Magma

Answer

Metamorphic

Answer

Sedimentary

Answer

Igneous

Question 34

You find a rock in which the grains are arranged in parallel bands of white and black crystals.  The rock is probably a(n)

Accepted Answer

Metamorphic rock

Answer

Igneous rock

Answer

Sedimentary rock

Answer

Extrusive rock

Question 35

Which of the following would be the correct label for Letter D?

Accepted Answer

Weathering and Erosion

Answer

Sediments

Answer

Metamorphic Rocks

Answer

Sedimentary Rocks

Question 36

Which of the following would be the correct label for Letter C?

Accepted Answer

Sedimentary Rocks

Answer

Sediments

Answer

Weathering and Erosion

Answer

Metamorphic Rocks

Question 37

Which of the following would be the correct label for Letter B?

Accepted Answer

Metamorphic Rocks

Answer

Sediments

Answer

Weathering and Erosion

Answer

Sedimentary Rocks

Question 38

In which kind of rock do we usually find a fossil?

Accepted Answer

sedimentary rock

Answer

metamorphic rock

Answer

igneous rock

Question 39

Organisms D and C clearly lived in an aquatic (water) environment. Organism A does not look like it lived in the water. What is the most likely explanation for this?

Accepted Answer

The environment changed over a long period of time. It used to be under water, but is not anymore

Answer

The fossil in layer A died on land and was carried to the water

Answer

The fossils in layer C and D did not live in the same location as the fossil in layer A

Question 40

When did fossil A become extinct?

Accepted Answer

Layer 3

Answer

Layer 1

Answer

Layer 2

Answer

Layer 4

Question 41

According to most scientists, what is the ultimate cause of most mass extinctions?

Accepted Answer

major change in environment or climate

Answer

overhunting

Answer

evolution of new species to replace old ones

Answer

asteroid impact

Question 42

Why do scientists think that NOT ALL dinosaurs died in the Cretaceous extinction?

Accepted Answer

Birds are descendants of dinosaurs

Accepted Answer

Because birds are still living today

Accepted Answer

Only non-birds went extinct.

Answer

They have photographic evidence

Answer

A zoo in California has a living dinosaur

Question 43

Evidence of an animal or plant that lived a long time ago on Earth is called a ________.

Accepted Answer

fossil

Answer

tiger

Answer

extinct

Answer

endangered

Question 44

Name the boundary

Accepted Answer

convergent boundary

Answer

divergent boundary

Answer

transform boundary

Answer

sergent boundary

Question 45

What is represented by the picture?

Accepted Answer

Pangea

Answer

Sea-floor spreading

Answer

How the continents are arranged today

Answer

Volcanoes

Question 46

Observe this diagram of a plate boundary. One statement BEST describes what is happening. It is that

Accepted Answer

the denser ceanic crust is subducting under the less dense oceanic crust

Answer

the oceanic crust is melting.

Answer

volcanic islands are forming.

Answer

the tectonic plates are moving away from each other.

Question 47

Observe this diagram of a plate boundary. One statement BEST describes what is happening. It is that

Accepted Answer

the denser ceanic crust is subducting under the less dense oceanic crust

Answer

the oceanic crust is melting.

Answer

volcanic islands are forming.

Answer

the tectonic plates are moving away from each other.

Question 48

What geological forces might be responsible for this range of mountains?

Accepted Answer

converging tectonic plates

Answer

diverging tectonic plates

Answer

erosion of the land by the ocean

Answer

deposition of sediments by the ocean

Question 49

What is the source of energy that drives plate movement?

Accepted Answer

convection currents in the asthenosphere

Answer

the subducton of the sea floor

Answer

the different densities of the oceanic and crustal plates

Answer

the friction force between the plates that move past each other

Question 50

The image shows the Pacific Ring of Fire, a region of high tectonic activity. What evidence supports the theory that the tectonic activity of the region is due to the subduction of tectonic plates?

Accepted Answer

The Asia-Pacific region is dotted by many small and large islands

Answer

The region is bound by many oceanic trenches.

Answer

North America seems to be colliding with Asia at the north of the ring.

Answer

The landmasses look like they would fit together like the pieces of a jigsaw puzzle.

Question 51

What measures the waves of earthquakes?

Accepted Answer

seismograph

Answer

seismic wave

Answer

seismology

Answer

a scientist

Question 52

How do earthquakes and volcanoes shape land?

Accepted Answer

destroy things, but they can also build up the land

Answer

weathering and erosion can change the land

Answer

build up the land

Answer

break down the land

Question 53

What ways to volcanoes effect our enviornment?

Accepted Answer

destroy plants, harm animals, pollute the air, give nutrients to plants

Answer

destroy buildings and nature

Question 54

If the factory in this diagram was NOT practicing good environmental conservation, what effect would be produced?

Accepted Answer

air and water pollution

Answer

good fishing for recreation

Answer

plentiful animals in the river

Answer

purified drinking water

Question 55

Claim: the consumption of natural resources by humans has a negative impact on the environment. What data would provide evidence for this claim?

Accepted Answer

Increased human population and decreased habitats for plants and animals

Answer

Increased human lifespan and increased ice cap size

Answer

Increased consumption of resources by humans and increased biodiversity (variety) in nature

Answer

Increased of fossil fuel burning by humans and decreased use of other resources

Question 56

Some factories that burn coal produce smoke with harmful chemicals, such as sulfur. Scrubbers are devices that are attached to the smokestacks to reduce the amount of sulfur put into the atmosphere. To evaluate the effectiveness of these devices, what data would need to be collected?

Accepted Answer

The amount of sulfur emitted (produced) by a smokestack before and after the scrubber is attached

Answer

The average amount of sulfur in a certain amount of coal

Answer

The amount of coal a factory burns each year and how much sulfur it emits (produces)

Answer

The increase in the use of scrubbers by factories that burn coal

Question 57

Geothermal energy sources that can produce steam are located where bodies of magma are relatively close to Earth's surface. At which regions would these steam-producing energy sources occur?

Accepted Answer

regions with recent volcanic activity

Answer

regions with very hot climates

Answer

regions with stable continents

Answer

regions at latitudes close to the equator

Question 58

The continents of South America and Africa were once joined in the landmass Pangea. Location R is on the eastern coast of South America. Which location on the continent of Africa would have once corresponded to Location R?

Accepted Answer

Location 3

Answer

Location 1

Answer

Location 2

Answer

Location 4

Question 59

Looking at the geologic column, which of the following choices would be the best choice for the type of environment that was the oldest?

Accepted Answer

ocean

Answer

forest

Answer

lake

Answer

desert

Question 60

Looking at the geologic column, which of the following choices would be the best choice for the type of environment that was the youngest?

Accepted Answer

forest

Answer

lake

Answer

desert

Answer

ocean

Question 61

According to the graph, the most tornadoes happened in which month?

Accepted Answer

May

Answer

January

Answer

September

Answer

November

Question 62

According to the data, which of these states had the most tornadoes in 2020?

Accepted Answer

Mississippi

Answer

Florida

Answer

North Carolina

Answer

Kansas

Question 63

Which of these can NOT be predicted at least 1 day ahead of time?

Accepted Answer

Earthquake

Answer

Large Regional Flood

Answer

Hurricane

Question 64

What technologies currently exist to mitigate the effect of hurricanes?

Accepted Answer

Elevate buildings and cities; build flood walls

Answer

There is currently no technology

Answer

Build buildings in circles with surrounding walls

Answer

Build buildings out of renewable resources

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