Chemical and Physical Changes in Matter
Authored by LUCINDA CODRINGTON
Science
8th Grade
NGSS covered
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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Marissa is conducting an investigation involving two different substances. When the two substances are mixed together, bubbles form.
How can she determine whether a physical change or a chemical change occured?
A physical change occurred because bubbles were produced.
No change occurred because the matter is still liquid.
A chemical change occurred because a gas was produced.
No change occurred because the substances did not react.
Tags
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ms. N notices her toast is burned after being in the toaster oven for too long. She wonders if a chemical change has occurred in the burned toast. Which observation would help Ms.N -
The temperature of the toast is very hot from the toaster.
The color of the toast changes to a darker color.
The color of the toast does not change.
The shape of the toast changes.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-4
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Why is the burnt toast a chemical reaction? Because the burnt toast has a new
color
smell
taste
texture
Tags
NGSS.MS-PS1-2
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Burning the toast is a form of __________ .
Tags
NGSS.MS-PS1-5
5.
OPEN ENDED QUESTION
3 mins • 1 pt
Why is burning the toast a form of combustion?
Evaluate responses using AI:
OFF
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Every molecule is represented with a formula. Formulas are made up of different numbers of atoms.
Choose the answer that lists the chemical formulas in order from Greatest to smallest number of atoms.
NBr3, C3H8,H2SO4, CH3COOH
NBr3, H2SO4, CH3COOH, C3H8
NBr3, H2SO4, C3H8, CH3COOH
C3H8, CH3COOH, H2SO4, NBr3
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What elements are in a molecule of Sodium Acetate?
Tags
NGSS.MS-PS1-1
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