Structure of Matter

Structure of Matter

7th Grade

25 Qs

quiz-placeholder

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Structure of Matter

Structure of Matter

Assessment

Quiz

Science

7th Grade

Hard

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

Standards-aligned

Created by

Lisa Thompson

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Here are models of 3 different substances. They all have the same chemical formula of C5H12. How is it possible that they have the same formula, but are all different substances?

The number of atoms is different.

The arrangement of the atoms is different.

There is no way this can occur.

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many molecules (or groups) are there in 2CH4?

1

2

3

4

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

True or False. Molecules are defined as two or more of the same or different atoms bonded.

True

False

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

True or False. Elements are basic forms of matter that cannot be broken down into a simpler substance

True

False

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Matter is made up of tiny particles called ...

minerals

cells

molecules

atoms

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

6.

DROPDOWN QUESTION

1 min • 1 pt

Elements are made of ​ (a)   .

atoms

molecules

Tags

NGSS.MS-PS1-1

7.

DROPDOWN QUESTION

1 min • 1 pt

The number of protons in an atom is also known as the (a)   .

Atomic number

Mass number

Neutron number

Electron number

Answer explanation

The number of protons in an atom is also known as the atomic number.

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