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Semester Exam 7th Grade Science

Authored by Cherie Fleming

Science

7th Grade

NGSS covered

Used 21+ times

Semester Exam 7th Grade Science
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33 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you do not understand a direction or part of a laboratory procedure, you should

figure it out as you do the lab

try several methods until something works

ask the teacher before proceeding

skip it and go on to the next part

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The following activity is permitted in the laboratory:

chewing gum

eating

drinking

None of the above.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Before you leave the science room, you should

clean your work area and equipment.

return all equipment to the proper storage area.

wash your hands with soap and water.

All of the above.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You have been injured in the laboratory (cut, burned, etc.). First you should

visit the school nurse after class

see a doctor after school

tell the teacher at once

apply first aid yourself

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Horseplay, practical jokes, or pranks in the classroom are

always against the rules

okay

not dangerous

okay if you are working alone

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

There are two types of changes that substances can undergo: physical changes and chemical changes. Which of these is always evidence that a change is a chemical change?

production of bubbles

change in volume

formation of a new substance

increase in temperature

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Changes to substances can be chemical changes or physical changes. Which of the following examples demonstrates a chemical change?

milk becoming sour when it stands on a kitchen counter

water boiling to form steam

crystals forming in saltwater as water evaporates

sugar dissolving in a cup of hot tea when it is stirred

Tags

NGSS.MS-PS1-2

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