Why is Cambrian explosion a significant event in geologic history?

Many organisms have rapidly evolved during this period

Many organisms have gone extinct during this period

Many organisms have remained the same throughout this period

Many organisms have migrated to another place during this period

What happens during a mass extinction?

There is a sharp spike in the extinction of species

There is a rapid destruction of habitat

There is a sharp spike in the birth of new species

There is a rapid growth in organisms’ populations

Which correctly describes accumulation during water cycle?

The water flows on the land and eventually collects in different bodies of water.

The water vapor collects and form clouds filled with water droplets.

The clouds become heavier and eventually pours down as rain or snow.

The sun heats up the ocean causing the liquid water to change into gas.

Which statement is true about a weather hazard?

A weather hazard has a potential to cause harm or damage.

A weather hazard cannot be predicted.

A weather hazard always results in a long-term effect.

A weather hazard may bring economic growth to a country.

Which of the following is not an example of point source pollution?

water runoff from residential lawns

oil that is escaping from a damaged tanker

heavy metals that are leaching out of an underground mine

untreated sewage that is accidentally released from a wastewater treatment plant

Why is ground-level ozone considered as a “bad” ozone?

It acts as the main ingredient in smog formation.

It regulates global air temperature.

It releases greenhouse gases back to the space.

It shields us from the sun’s harmful ultraviolet rays.

Once the experiment is done, mix leftover chemicals to easily dispose them. Is this statement correct?

No, this statement is incorrect. Leftover chemicals should not be mixed for disposal unless instructed by proper safety guidelines.

Yes, mixing leftover chemicals is always the safest way to dispose them.

It is acceptable to mix chemicals if they are in small quantities.

Mixing chemicals after experiments is recommended for faster cleanup.

Refer to the diagram of the Hertzsprung-Russell diagram showing star categories, luminosity, and temperature. What characteristic of sun is plotted on the:

a. x-axis: Temperature (Kelvin) / Stellar Classification b. y-axis: Luminosity (Sun = 1)

a. x-axis: Age (Million Years) b. y-axis: Distance from Earth (Light Years)

a. x-axis: Mass (Solar Masses) b. y-axis: Radius (Solar Radii)

a. x-axis: Apparent Magnitude b. y-axis: Surface Gravity

What happens to the luminosity of stars as the surface temperatures increase?

The luminosity of stars generally increases as the surface temperature increases (for main sequence stars).

The luminosity of stars generally decreases as the surface temperature increases (for main sequence stars).

The luminosity of stars remains constant as the surface temperature increases (for main sequence stars).

The luminosity of stars fluctuates randomly as the surface temperature increases (for main sequence stars).

How will you describe the temperature of white dwarf stars?

White dwarf stars have high surface temperatures.

White dwarf stars have low surface temperatures.

White dwarf stars have moderate surface temperatures.

White dwarf stars have variable surface temperatures.

Science 6 Final Exam

Authored by Lovella Magrina

Science

6th Grade

NGSS covered

Used 3+ times

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Content View

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99 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which lab equipment is made of porcelain so it can withstand high temperature when heated?

beaker

crucible and cover

petri dish

thermometer

Which term describes data that is drastically different from the rest of the data?

average

graph

outlier

variable

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is the center and largest celestial body in our solar system?

asteroid

comet

Jupiter

Sun

Which color of the star has the lowest temperature?

blue

red

white

yellow

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What solar feature appears as dark areas on the sun’s surface?

coronal mass ejections

prominences

solar flares

sunspots

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is the correct arrangement of Earth’s specific location in the Universe?

Orion Arm à Solar System à Local Group à Milky Way à Virgo Supercluster

Milky Way à Virgo Supercluster à Solar System à Orion Arm à Local Group

Solar System à Orion Arm à Milky Way à Local Group à Virgo Supercluster

Virgo Supercluster à Orion Arm à Local Group à Solar System à Milky Way

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How long is one lunar cycle?

21 days

24 days

28 days

31 days

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Science 6 Final Exam

Which lab equipment is made of porcelain so it can withstand high temperature when heated?

Which term describes data that is drastically different from the rest of the data?

Which is the center and largest celestial body in our solar system?

Which color of the star has the lowest temperature?

What solar feature appears as dark areas on the sun’s surface?

Which is the correct arrangement of Earth’s specific location in the Universe?

How long is one lunar cycle?

If Northern Hemisphere experiences autumn, what is the season in the southern hemisphere?

Which is the earliest era on the geologic time scale?

Which era is also called the Age of Mammals?

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