What is the difference between a mixture and a compound?

mixtures are easily taken apart

compounds are easily taken apart

mixtures are chemically combined

Which of the following statements is correct?

Red litmus paper turns blue when placed in a base.

Blue litmus paper turns red when placed in a base.

Blue litmus paper stays blue when placed in an acid.

Red litmus paper stays red when placed in a base.

Why do ice cubes float in a glass of water?

the water is more dense than the ice cubes

the ice cubes are more dense than the water

the water is more dense than the glass

the ice is more dense than the glass

According to the law of superposition, the oldest fossils are found

Near the bottom of the rock layers

In the middle of the rock layers

Why are fossil fuels considered nonrenewable resources if they are still forming beneath the surface today?

We are depleting the fossil fuels much faster than they can form.

They are being formed as a type of methane which we cannot use.

They are being formed too far beneath the surface.

The fossil fuels are being broken down by a natural process.

What is a mineral streak

How light reflects off the mineral surface

What does a 1 in the Mohs hardness scale mean?

The mineral is softer than a fingernail

The mineral is softer than glass

The mineral harder than a penny

Define destructive process

breaking down of the earth's surface

building up of the earth's surface

Define constructive process

breaking down of earth's surface

destructive process of breaking down rock into smaller pieces

destructive process of moving sediment by wind, water, or ice

constructive process of depositing sediment in a new location

destructive process that breaks down rock

The Coriolis effect causes ___________.

global winds and surface currents to move in a curved path instead of a straight line

the Earth to rotate on its axis

HOMS: Final Exam Review 8th Grade

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76 Qs

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HOMS: Final Exam Review 8th Grade

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8th Grade

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Practice Problem

•

Easy

•

CCSS

HSG.MG.A.2

Standards-aligned

Becky Stark

Used 66+ times

FREE Resource

76 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

Element

Compound

Mixture of compound and element

Mixture of elements

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

Element

Compound

Mixture of compound and element

Mixture of elements

MULTIPLE CHOICE QUESTION

45 sec • 12 pts

Element

Compound

Mixture of compound and element

Mixture of two elements

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

Element

Compound

Mixture of compound and element

Mixture of two elements

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A mixture can be separated by ________ means.

physical

chemical

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following IS a mixture?

air

hydrogen

water

sugar

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which one of the following would you use to separate sand from iron filings?

a bar magnet

filter paper

chromatography paper

alum

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A mixture can be separated by ________ means.

Which of the following IS a mixture?

Which one of the following would you use to separate sand from iron filings?

In a coffee machine, the ground coffee is separated from the coffee solution by using..

What is the difference between a mixture and a compound?

The total amount of matter (atoms) before and after a chemical reaction remains the same.

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