Properties of Matter and Changes in Matter
Authored by Charles Martinez
Science
7th Grade
NGSS covered
Used 6+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The graduated cylinder shown to the right contains three liquids labeled 1, 2 and 3. The objects (A, B, and C) in the cylinder are made from three different substances. Which of the following statements is true?
Liquid 2 is more dense than liquid 3
Liquid 3 is more dense than liquid 1
Object A is more dense than liquid 3
Object C is less dense than liquid 2
Tags
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which best describes physical and chemical changes?
In a physical change, the matter looks different but it is still the same substance; in a chemical change the original matter changes into a different substance with different properties.
In a physical change, the original matter changes into a different substance with different properties; in a chemical change the matter looks different but it is still the same substance.
In both physical and chemical changes, the matter looks different, but it is still the same substance.
In both physical and chemical changes, the original matter changes into a different substance with different properties.
Tags
NGSS.MS-PS1-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is evidence of a chemical change?
change in size
change in color
change in state
all of the above
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student is given a sample of an unknown substance. Which of these pieces of information identifies a chemical property of the substance?
It burns easily
It has a density of 1.0 g/mL
It has a mass of 10 grams
It has an odor similar to rotten eggs
Tags
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A change in matter that makes a new substance is called:
A mixture
A physical change
A chemical change
Sublimation
Tags
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A chemist who studies water samples did a demonstration of how to test for lead in water. She added a clear solution of potassium iodide to a clear solution of lead nitrate. Then a yellow swirling solid formed in the liquid.What is most likely true about the yellow solid?
homogeneous mixture
precipitate
solution
element
Tags
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The temperature at which a solid becomes a liquid is called:
boiling point
condenstation
melting point
sublimation
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
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