Law of conservation of mass and Organelles review

Law of conservation of mass and Organelles review

8th Grade

14 Qs

quiz-placeholder

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Law of conservation of mass and Organelles review

Law of conservation of mass and Organelles review

Assessment

Quiz

Biology

8th Grade

Medium

Created by

Aaron Condor

Used 9+ times

FREE Resource

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 12 pts

What is the Law of Conservation of mass?
Mass is created in a chemical reaction
Mass is created in a physical change
New chemicals formed from a chemical reaction have a larger overall mass than the original reactants
Mass is never created or destroyed

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Matter can not be created nor destroyed: it can only be

Destroyed a little bit

Invisible

Transformed, changed

None of the above

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which of the models of a chemical reaction best represents the Law of Conservation of Mass?

A

B

C

D

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image
The Law of Conservation of matter states that the total amount of matter ______________ after it undergoes change.
disappears
stays the same
weighs less
explodes

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image
An oreo cookie weighs 20 grams.  It gets crushed into crumbs for a recipe.  How much do its crumbs weigh?
15 grams
25 grams
20 grams

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

When a chemical reaction occurs...

New molecules and atoms are formed

Molecules and atoms are rearranged

Molecules and atoms disappear

Molecules and atoms are destroyed

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

where are the products in an equation?

The products are on the right side of the equation

The products are on the left side of the equation

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