PE 1b Test Prep

PE 1b Test Prep

7th Grade

12 Qs

quiz-placeholder

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PE 1b Test Prep

PE 1b Test Prep

Assessment

Quiz

Chemistry

7th Grade

Practice Problem

Hard

NGSS
MS-PS1-5, MS-PS1-1, MS-PS1-2

Standards-aligned

Created by

Ana Vaquiz

Used 15+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Imagine Nico, Jasper, and Ian are playing a game of 'Chemistry Whiz'. They come across a challenge where they need to correctly identify the AMU of Nitrogen. Who is correct?

Nico says it is 7

Jasper thinks it is 14.007

Ian believes we don't have enough information.

Or, all they all correct?

2.

MULTIPLE CHOICE QUESTION

3 mins • 2 pts

Diego is solving the following chemistry equation:

2H2 + 1O2 → 2H2O.

He thinks the reactant (left) and product (right) side have an equal amount of hydrogen atoms. Is Diego correct?

Yes

No

Tags

NGSS.MS-PS1-5

3.

MULTIPLE CHOICE QUESTION

3 mins • 2 pts

Monty is also solving the same equation:

2H2 + 1O2 → 2H2O.

He thinks the reactant (left) and product (right) side don't have an equal amount of oxygen atoms. Is Monty correct?

Yes

No

Tags

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

3 mins • 2 pts

Media Image

Lewis and Clover are having a friendly debate. They are trying to figure out the mass of H2. Can you help them out?

The mass is 1.0078

We don't have enough information

The mass is 2.0156

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

3 mins • 2 pts

Media Image

Imagine Elijah is a tiny scientist exploring the world of atoms during a chemical reaction. After looking at the total mass of both sides, was mass created or destroyed?

Atoms remain unchanged, just like their adventurous spirit

Atoms were destroyed, like their fear of the unknown

Atoms were created, like their new discoveries

Atoms were rearranged, like their scientific theories

Tags

NGSS.MS-PS1-5

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Now Elena and Isabella want to balance the previous chemical equation. Does this equation have coefficients?

Yes

No

Tags

NGSS.MS-PS1-5

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Emilio knows there are invisible coefficients.

What are the coefficients?

Tags

NGSS.MS-PS1-5

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