Standard 6 Assessment

Standard 6 Assessment

8th Grade

26 Qs

quiz-placeholder

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Standard 6 Assessment

Standard 6 Assessment

Assessment

Quiz

Science

8th Grade

Hard

Created by

Carla McCollum

FREE Resource

26 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to balance chemical equations?

To ensure the reaction occurs faster.

To satisfy the law of conservation of mass.

To increase the mass of the products.

To decrease the mass of the reactants.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best explains why mass is conserved in a chemical reaction?

Atoms are destroyed and created in equal amounts.

Atoms are rearranged but not created or destroyed.

Atoms are created but not destroyed.

Atoms are destroyed but not created.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a chemical reaction that conserves mass?

Melting ice into water.

Burning wood to form ash and smoke.

Dissolving sugar in water.

Mixing sand and salt.

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which statement is true about the atoms in a chemical reaction?

Atoms are destroyed in a chemical reaction.

Atoms are rearranged in a chemical reaction.

Atoms are created in a chemical reaction.

Atoms remain unchanged in a chemical reaction.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you verify that a chemical equation is balanced?

By ensuring the number of molecules is the same on both sides.

By ensuring the number of atoms of each element is the same on both sides.

By ensuring the total mass is different on both sides.

By ensuring the number of compounds is the same on both sides.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the law of conservation of mass?

Mass can be created and destroyed in a chemical reaction.

Mass is neither created nor destroyed in a chemical reaction.

Mass is always increased in a chemical reaction.

Mass is always decreased in a chemical reaction.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best describes a chemical reaction?

A process where substances are mixed but not changed.

A process where substances are changed into different substances.

A process where substances are destroyed.

A process where substances are created from nothing.

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