Study

Study

9th Grade

15 Qs

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Study

Study

Assessment

Quiz

Science

9th Grade

Practice Problem

Hard

NGSS
MS-LS4-1, MS-LS4-2, MS-PS1-5

+6

Standards-aligned

Created by

Lisa Thompson

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A geologist studies two layers of sandstone that exist along opposite coasts of North America. Which characteristic of the layers provides the best evidence that they were deposited about the same time>

particle sizes of the sand in the rock layer

the rock layers' chemical composition

the depth of the rock layers from the surface layer

the fossils found in the rock layer

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The diagram shows early embryological stages of a reptile, a bird, and a human. What do the similarities among the embryos suggest?

The organisms have the same genetic structure.

The organisms evolved from a common ancestor.

The organisms appeared on Earth at the same time.

The organisms are adapted to live in similar environments.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

By studying fossil records, scientists have concluded that the horses that lived 50 million years ago were much smaller, weaker, and slower than modern horses. Which natural process is responsible for the evolutionary changes that have lead to increased size, strength, and speed in horses?

inbreeding

migration

mutualism

natural selection

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which scientific method step involves making an educated guess that can be tested?

Observation

Hypothesis

Experimentation

Conclusion

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the primary purpose of a control group in an experiment?

To provide a standard for comparison

To increase the sample size

To ensure the experiment is ethical

To eliminate all variables

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a chemical reaction, what does the law of conservation of mass state?

Mass is created during a reaction

Mass is destroyed during a reaction

Mass is conserved and remains constant

Mass is irrelevant to chemical reactions

Tags

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is an example of a renewable energy source?

Coal

Natural Gas

Solar Energy

Nuclear Energy

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