Which project is most likely to interest a scientist working at a biotechnology company?

development of genetically modified corn plants

study and reconstruction of fossilized bones

conservation of key species within ecosystems

prevention of sewage leaking into water supplies

A scientist has a hypothesis that a large volcanic eruption caused a change in global temperature. Which information gained from ice cores is most useful in supporting the scientist's hypothesis?

estimates of natural radioactivity

The element silicon is best used for which purpose?

as a semiconductor in computer chips

as a container to keep coffee hot

as a material to make airplane frames

as a malleable material for coins and jewelry

What is one way scientists analyze the health of a river?

by measure its dissolved oxygen content

by measuring the speed at which the river flows

by measuring the distance the river travels to reach an ocean

Which example best represents an interconnection between an aquatic food web and a terrestrial food web?

fish eat insects that land on the surface of the water

mountain lions catch and eat deer

What is one way the government of the United States attempts to reduce pollution in the oceans?

enforce laws limiting trash dumping

discontinue sewage treatment plants

increase oil and gasoline production

The population density of marine life is greater along the shorelines of the ocean that farther out in the deep waters of the ocean. Which statement provides the best reason for this situation?

there are more nutrients in the shallow waters

ocean currents prevent many smaller marine organisms from living in deep waters

the shallow waters have fewer predators

coastal waters are less polluted that the deeper waters of the ocean

Which statement supports the theory of evolution?

fossils provide evidence that vertebrates share a common ancestor

all living cells come from previous cells

all plants and animals have DNA

matter cannot be created or destroyed during chemical reactions

Which best explains how geologic time scales can help scientists study the evolution of life on Earth?

they correlate the existence of life on Earth with geological events

they describe the existence of rocks before there was life on earth

they show that geological features have evolved at the same rate as organisms

they compare the life histories of species that have used rocks as habitats

What makes fertilizers a benefit to the farming indursty?

they increase the nutrients in soil

they increase the gorwth of helpful bacteria

they decrease the chance of bacteria growing in the soil

they decrease the chance of plants being eaten by insects

Which describes a nonpoint source of pollution

runoff from a road into a nearby stream

accumulation of oil in a stream next to a gasoline station

chemical spill in a river next to a manufacturing complex

liquid fertilizer flowing from a barrel into a stream

What does the hardness of water indicate?

high levels of calcium and magnesium

low levels of calcium and magnesium

increases pressure in pipelines to faucets

decreases pressure in pipelines to faucets

How are parasites and viruses similar?

both reproduce using host cells

both break down food using oxygen

EOG Science Review

Authored by Andrew Schack

Science

8th Grade

NGSS covered

Used 16+ times

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28 questions

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which source of water pollution includes oil and gasoline discharge from automobiles and storm sewer drainage?

agriculture

bacteria

sedimentation

urban runoff

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which best explains the importance of dissolved gasses in the ocean?

They help control pollution

They help provide oxygen for aquatic animals

They help maintain a constant water temperature

They help maintain constant levels of salinity

Which best describes a bio-indicator?

A species that has a short life span

A species that depends on specific conditions to survive

A species that can adapt to a variety of conditions

A species that has been introduced to an ecosystem

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How can the atmosphere be considered part of the hydrosphere?

It is a source of water

It blocks ultraviolet rays from the sun

It contains they oxygen necessary for life on Earth

It traps pollutants that would otherwise harm the earth

What characteristic of aluminum allows it to be made into aluminum foil?

It is dense

It is soluble

It is magnetic

It is malleable

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which pure substance is composed of more that one element

carbon

gold

water

sodium

Which is the best way to determine if an object is made of pure substance?

determine the solubility of the object

test to see if the object is chemically reactive

determine the density of the object and compare the known density of pure silver

compare the mass of the silver object to the mass of a piece of pure substance

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EOG Science Review

Which source of water pollution includes oil and gasoline discharge from automobiles and storm sewer drainage?

Which best explains the importance of dissolved gasses in the ocean?

Which best describes a bio-indicator?

How can the atmosphere be considered part of the hydrosphere?

What characteristic of aluminum allows it to be made into aluminum foil?

Which pure substance is composed of more that one element

Which is the best way to determine if an object is made of pure substance?

Which project is most likely to interest a scientist working at a biotechnology company?

Which is an example of a physical change?

The theory of global warming is based on an increase of what atmospheric gas?

Access all questions and much more by creating a free account

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