
Unit 4 Test: Matter and Chemical Changes
Authored by Megan Sandoval
Science
7th Grade
Used 1+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Both are compounds made of molecules.
Both are elements made of atoms.
Water is an element, and carbon dioxide is a compound.
Carbon dioxide is an element, and water is a compound.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6
12
18
24
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a chemical change?
Melting ice
Dissolving sugar in water
Burning wood
Breaking a glass
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Emma is making lemonade by adding sugar to water. Describe what happens to the concentration of the lemonade when more sugar is added without changing the volume of the water.
The concentration decreases.
The concentration remains the same.
The concentration increases.
The solution becomes saturated.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Priya is making a cup of tea and wants to dissolve sugar quickly. Which factor will increase the rate of dissolution of the sugar in water?
Decreasing the temperature
Decreasing the surface area of the sugar
Stirring the tea
Using a larger cup
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is made of two different types of atoms.
It is a pure substance.
It cannot be broken down into simpler substances.
It is found on the periodic table.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2
4
6
8
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