You Be The Chemist
Chemistry
8th Grade
NGSS covered
Used 722+ times
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93 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Experiment to determine if sugar dissolves faster in warm or cold water. What is the dependent variable?
The temperature of the water
The rate at which the sugar dissolves
The amount of water in the cups
The brand of sugar used
Tags
NGSS.MS-PS3-4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following changes in temperature is equivalent to a 10° C increase?
A 10° F increase
An 18°F increase
A 12°F increase
A 50°F increase
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is true of elements in the same row of the periodic table?
They do not react with one another
They have the same number of electron shells
They have the same number of electrons in their outer shells
They tend to participate in the same types of reactions
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which of the following situations does a 2kg ball have the greatest potential energy?
At the start of a fall from a height of 2m
Halfway through a fall from a height of 2m
Halfway through a fall from a height of 4m
Both at the start from 2m and halfway from 4m
Tags
NGSS.MS-PS3-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following processes is an example of condensation?
Nitrogen gas changing to liquid nitrogen
Dry ice changing to gaseous carbon dioxide
Hydrochloric acid changing to hydrogen chloride gas
Water vapor changing to ice
Tags
NGSS.MS-PS1-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is true of liquids?
They have a defined volume
They have a defined shape
They have both a defined volume and shape
None of the above
Tags
NGSS.MS-PS1-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following occurs when water is heated?
It dissociates into oxygen and hydrogen B
Its molecules become more attracted to one another
Its molecules form a crystalline structure
Its molecules move at a faster rate
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
NGSS.MS-PS3-5
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