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8th Grade Science EOG practice test #1

Authored by Tyrone Davis

Biology

8th Grade

NGSS covered

Used 23+ times

8th Grade Science EOG  practice test #1
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is a compound?

hydrogen

Water

air

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two different liquids are poured together. Bubbles and a mist forms. A few minutes later, the solution is weighed, and the weight is less than before the liquids were mixed. Why?

Some of the atoms became brand new substances that weigh less.


Atoms were destroyed in the mist.

Some atoms escaped into the air.

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is classified as an element?

iron

Water

Salt

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which best describes the seqence of the elements in Period 5 of the Periodic Table?

Highly reacive gases, relatively nonreactive metals, reactive gases, nonreactive metals

nonreactive gases, metalloids nonreactive metals, highly reactive metals, highly reactive gases

highly reacive metals, relatively nonreactive metals, metalloids, reactive nonmetals, nonreactive gases

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chlorine has 7 valence electrons. With what group of elements will chlorine most readily bond?


Group 1


Group3

Group 2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is the best example of a chemical change?

balloon popping

crumpling up paper

water evaporating

a cake baking

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To show a reaction that represents the Law of Conservation of Mass for

water H2O?

(Clue: Balance the Equation)

2HO

2H2O

3H0

HO

Tags

NGSS.MS-PS1-5

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