2019 Post-test Review

2019 Post-test Review

8th Grade

15 Qs

quiz-placeholder

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2019 Post-test Review

2019 Post-test Review

Assessment

Quiz

Science

8th Grade

Easy

NGSS
MS-PS1-2, MS-ESS2-2, MS-PS1-4

+8

Standards-aligned

Created by

Ayanna Griffin

Used 18+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the difference between the substances represented by the symbols Co and CO?

They are two different ways to represent the element cobalt.

One is the symbol for an element, and one is a formula for a compound.

Co represents the element cobalt, and CO represents the element copper.

They represent two substances, each made up of two elements.

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which process best explains how antibiotic resistance in bacteria can occur?

Bacteria gradually become more resistant to an antibiotic and pass on their resistance to their offspring.

Bacteria that already have a genetic resistance to an antibiotic will survive and pass on the resistance to their offspring.

A patient becomes resistant to antibiotics, depending upon the conditions of the hospital.

While being treated with an antibiotic, some bacteria will become stronger and survive to pass on the resistance to their offspring.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS4-4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A chemist combined methane gas (CH4) and oxygen gas (O2) in a closed container and heated the container. A chemical reaction occurred, creating carbon dioxide (CO2) and water (H2O). Which of the following is evidence that a chemical reaction occurred?

The products have the same number of elements as the reactants.

The products include different substances than the reactants.

The products have the same atoms as the reactants.

The reactants and products have the same number of molecules.

Tags

NGSS.MS-PS1-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A baker has two identical cakes except that one cake is hot (40ºC), and the other cake is at room temperature (20ºC). He places both cakes next to each other on the same cold plate (10ºC). Choose the claim that best explains what happens to the energy in the cakes.

Only the hot cake transfers energy to the plate.

The plate transfers energy to the room-temperature cake.

Both cakes transfer energy to the plate.

Neither cake transfers energy to the plate.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where are you most likely to experience an earthquake?

Along the boundary of a crustal plate

Along a volcanic island chain

In a subduction zone

Randomly anywhere on Earth

Tags

NGSS.MS-ESS3-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Some students are testing rock samples they collected. If you wanted to test these rocks for calcite, what would you put in the bottle and what would you expect to happen if calcite is there?

Put water in the bottle; if there is calcite, the rock will dissolve.

Put salt water in the bottle; if there is calcite, the rock will turn a darker color.

Put acid in the bottle; if there is calcite, the rock will fizz.

Put liquid soap in the bottle; if there is calcite, the liquid will form a dome on the rock.

Tags

NGSS.MS-PS1-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Scientists recently discovered a patch of oceanic crust deep beneath the Mediterranean Sea that is estimated to be 340 million years old. It is the oldest oceanic crust ever found. If scientists believe Earth is actually 4.6 billion years old, why haven’t scientists found older oceanic crust?

Rocks did not cool on Earth until about 340 million years ago.

It is too hard to collect samples of oceanic crust.

Oceanic crust subducts under continental crust as new oceanic crust forms.

Oceanic crust is younger than continental crust.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

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