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Intro to Chemistry

Authored by Christie Broom

Chemistry

8th Grade

Used 6+ times

Intro to Chemistry
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26 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of change is ripping paper?

physical

chemical

Answer explanation

you haven't changed the chemical properties of the paper, only changed the size and shape

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of change is burning wood?

physical

chemical

Answer explanation

a new substance is formed- smoke and ash are produced from this change

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of change occurs when silver tarnishes?

physical

chemical

Answer explanation

a new substance is formed- tarnish

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of change occurs when sugar is dissolved in water?

physical

chemical

Answer explanation

no new substance is chemically created- sugar water can be separated

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What part of the atom is positive (+)?

proton

electron

neutron

nucleus

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What part of the atom is negative (-)?

proton

electron

neutron

nucleus

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What part of the atom is neutral?

proton

neutron

electron

nucleus

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