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Elements, compounds, & mixtures 2019

Authored by Christine Short

Science

6th - 8th Grade

NGSS covered

Used 7+ times

Elements, compounds, & mixtures 2019
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Electrons are found in the

nucleus of an atom

energy levels of an atom

with the protons

outside of the energy levels

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When elements form compounds, the elements

keep their original properties

react to form a new substance with new properties

combine in a random way

always change their physical state

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

All atoms of the same element contain the same number of

electrons

neutrons

protons

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a mixture?

carbon dioxide

sodium chloride

air

water

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What particles make up a nucleus of an atom?

electrons and neutrons

neutrons

electrons, protons, and neutrons

protons and neutrons

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The 3 major categories of elements are

alloys, suspensions, and colloids

metals, nonmetals, and metalloids

solutions, mixtures, suspensions

pure substances, compounds, and mixtures

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is heterogeneous?

Kool-aid

tap water

chocolate chip ice cream

whipped cream

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