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WorksheetsMatter, Mixtures, & Solutions
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
A teacher mixes a white powder into a beaker of water. The powder cannot be seen in the water. The teacher then heats the mixture until the water evaporates and the powder can be seen again. Which property of the powder is the teacher demonstrating?
a)
Solubility
b)
Density
c)
Conductivity
d)
Mass
2.
A student is measuring the solubility of a substance. The student needs to boil the water in order to test the substance's ability to dissolve. The temperature of water is 53°C. How many more degrees Celsius must the temperature rise before it reaches the boiling point of water?
a)
159°
b)
47°
c)
100°
d)
212°
3.
A mixture of beads was placed in a container. The beads are various sizes, and each one is made of plastic, glass, or steel. The mixture would be easy to separate because all the beads -
a)
float.
b)
are solids.
c)
have the same mass.
d)
are attracted to a magnet.
4.
A student observes ice forming on the edge of a school building. At what temperature did the water outside the school building most likely begin to change to ice?
a)
100°C
b)
32°C
c)
25°C
d)
0°C
5.
When a powdered drink mix was added to water, the liquid turned orange. A student decided that the taste was too strong, so he poured out half the liquid and added more water. Which of the following most likely occurred when more water was added?
a)
The physical state changed.
b)
The orange color became lighter.
c)
The liquid had a sweeter taste.
d)
None of answers are correct.
6.
A student made a mixture using equal amounts of salt and pepper. The salt grains were the same size as the pepper grains. What should the student do to most easily separate the pepper from the salt?
a)
Use a pair of tweezers to remove each grain of pepper.
b)
Run a small magnet through the mixture to attract the pepper.
c)
Put the mixture in water and filter the pepper out of the water.
d)
Use a strainer with a fine wire screen to remove the pepper.
7.
A student adds 10 grams of four different powdered solids into four different beakers. The student then adds 100 mL of water to each beaker, stirs the mixtures, and allows them to sit for half an hour before recording observations. Which question is the student most likely trying to answer with the investigation?
a)
At what temperature do the substances dissolve?
b)
How much water is needed to cause a substance to change state?
c)
What causes a substance to sink when put in water?
d)
Which substances dissolve in water?
8.
Some people add sugar to their hot tea. Which property of the sugar remains the same when the sugar is in the tea solution?
a)
The taste of the sugar
b)
The size of the sugar crystals
c)
The color of the sugar
d)
The texture of the sugar
9.
Which of these is NOT soluble in water?
a)
Oil
b)
Salt
c)
Honey
d)
Sugar
10.
The table shows some properties of four different samples of matter. Which two samples could be glass and saltwater?
a)
1 & 2
b)
3 & 4
c)
1 & 3
d)
2 & 3
11.
A student conducts an investigation using caramel candy, paper plates, and a stopwatch. The student places a piece of caramel candy on each of three plates. He puts the plates in different locations around the school, and will record observations, including the time it takes for each piece of candy to change state in the table. Which question is the student most likely trying to answer with this investigation?
a)
In which location does the caramel candy change state the fastest?
b)
What causes the caramel candy to keep its shape?
c)
Why does the caramel candy change state?
d)
At what temperature does the candy melt?
12.
A student mixes the following materials in a large bowl: water, salt, and marbles. What type of mixture did the student create?
a)
Mixture
b)
Solution
c)
Both a mixture and a solution
d)
Neither a mixture nor a solution
13.
Which of the following would be most soluble in water?
a)
Cinnamon
b)
Sugar
c)
Pepper
d)
None are soluble
14.
Which of the following would make salt dissolve faster in water?
a)
Heating the water
b)
Stirring the water rapidly
c)
Both answers are correct.
d)
Neither answer is correct.
15.
In a solution of salt, sugar, and water, which is the solvent?
a)
Salt
b)
Sugar
c)
Water
d)
None
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