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Conservation of Matter

Authored by Yangyang Zhao

Science

8th Grade

NGSS covered

Used 4+ times

Conservation of Matter
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19 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The total number of atoms of each element is not changed during a chemical reaction

Chemical reaction

Law of conservation of mass

Mass

Atom

Tags

NGSS.MS-PS1-5

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Matter is not created or [BLANK] during a chemical reaction

Balanced

Mass

Destroyed

Coefficient

Tags

NGSS.MS-PS1-5

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The total number of atoms is conserved (stays the same) and the [BLANK] does not change.

Subscript

Mass

Atoms

Coefficient

Tags

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What states that matter is not created or destroyed in a chemical reaction and that the mass does not change.

Subscript

Law of conservation of matter

Coefficient

Atoms

Tags

NGSS.MS-PS1-5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

If 25 grams of sugar dissolves into 150 grams of water, what is the new weight of the liquid?

125 g
150 g
25 g
175 g

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The drawing shows solid carbon dioxide changing into carbon dioxide gas. Which statement describes the relationship between the solid carbon dioxide and the carbon dioxide gas after all of the solid has changed to gas?

They have the same volume.

The gas has less volume than the solid.

They have the same mass.

The gas has less mass than the solid.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When heated, mercuric oxide decomposes to form liquid mercury and oxygen. A scientist heated 10 grams (g) of mercuric oxide and formed 9.3 grams of liquid mercury. How many grams of oxygen were formed?

0.7 g

9.3 g

10.0 g

19.3 g

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

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