WorksheetsMixtures and Solutions
Total questions: 25
Worksheet time: 46mins
A fifth grade class has collected empty cans for recycling. The class has several large bins with aluminum and steel cans, all mixed together. The two types of cans must be separated. Which of the following techniques could the students us to separate the two types?
Place the cans in water and the aluminum cans will float.
Use a magnet to find and remove the steel cans.
Crush the cans to make them easier to carry.
Test the cans for their ability to conduct electricity.
A mixture of peanuts and chocolate chips would have what property? The mixture would -
Have a salty and sweet flavor
Change from a solid to a liquid
Have less mass than the ingredients
Become cooler while being mixed
Which of the following, if added to water, would change its' shape?
Glass
Salt
Sand
Wood
A tablespoon of a substance is added to warm water and stirred. The result was that the substance could no longer be seen. We can conclude from the results that the substance (a) in the water.
Students were asked to separate a mixture of sand and salt. One group decides to put the mixture into a beaker of water first. Which of the following should they do next to separate out the sand and salt?
Use a magnet to pull the sand from the water, then freeze the water.
Let the water stand still until the sand settles to the bottom and the salt floats to the top.
Boil the water from the sand and collect the vapor, which will have the salt.
Pour the water through filter paper to remove the sand, then evaporate the water.
Sugar was added to water and stirred until it completely dissolved. Which of the following describes what happened to the sugar?
The mass of the sugar decreased.
The sugar disappeared and no longer exists.
The sugar is evenly distributed in the water.
The crystals of sugar have entered the atmosphere.
What property of water changes after creating a solution of lemon juice and water?
shape
temperature
taste
state
A teacher places a mixture in a cooking pot and brings the mixture to a boil to separate. Which of the following statements best describes the mixture?
The mixture is a solution such as salt water.
The mixture is a solution such as sand and iron filings.
The mixture consists of particles of different sizes.
The mixture consists of solid particles with different densities.
A group of students are investigating mixtures by combining foam beads, plastic beads and water in a beaker. Which of the following describes how the students could separate the mixture?
- Use a magnet to attract the plastic beads.
- Use a small collecting net to scoop the foam beads out of the water.
- Use a small collecting net to scoop the foam beads out of the water.
- Pour the water and plastic beads through a strainer.
- Add thermal energy to evaporate the water.
- Use a magnet to separate the beads.
- Stir the components of the mixture.
- Pour the mixture through a strainer to separate the beads from the water.
Students begin to separate a mixture of gravel and salt by putting the mixture into a beaker of water. Which of the following should the students do next to separate the gravel and salt?
Boil the mixture to separate the gravel and collect the water vapor with a lid which will have the salt.
Pour the water through a strainer to remove the gravel and then evaporate the water to get the salt.
Use a magnet to pull the gravel from the water and then freeze the water to separate the salt from the water.
Let the mixture sit still until the gravel settles to the bottom and the salt floats.
A student has a mixture of sand and iron filings. The most appropriate tool to use to separate this mixture is a (a) .
Which tool would be most appropriate to use to separate objects of different sizes?
Water
Magnet
Strainer
Tweezers
Which tool would be most appropriate to use to separate objects that float from objects that sink?
Water
Magnet
Strainer
Tweezers
Which tool would be most appropriate to use to separate objects that are magnetic from those that are not magnetic?
Water
Magnet
Strainer
Tweezers
Which tool would be most appropriate to use to separate objects that are small and hard to pick up with your fingers?
Water
Magnet
Strainer
Tweezers
A student collected sand and ocean water during a trip to Galveston. The student wants to separate the sand, salt, and water to see how much salt is in the ocean water. The student writes down the steps they will take.
- Use a paper filter to separate the sand form the beach water.
- ?
- Measure the amount of salt left in the container.
Which of the following should be written for Step 2?
Collect the salt using a collecting tool.
Attract the salt out of the ocean water using a magnet.
Boil the ocean water until the water has evaporated.
Let the ocean water sit until the salt deposits to the bottom of the container.
Which mixture would be separated most easily with a strainer?
Salt and water
Gravel and water
Shampoo and water
Sugar and water
A student makes a mixture using equal amounts of salt and pepper. The salt grains are the same size as the pepper grains. What should the student do to most easily separate the pepper from the salt?
Use a pair of tweezers to remove each grain of pepper.
Run a small magnet through the mixture to attract the pepper.
Put the mixture in water and filter the pepper out of the water.
Use a strainer with a fine wire screen to remove the pepper.
A student combined powdered paint with water to make a small amount of a blue liquid paint mixture. The student left the paint mixture in an open container. Several days later the student found the container and observed that changes had occurred. What most likely happened to the mixture?
The container was empty after the mixture evaporated into the air.
The paint evaporated, leaving only clear water in the container.
The water evaporated, leaving only a dry blue solid in the container.
The liquid paint mixture was lighter in color after some water evaporated.
Which is true about a salad and a glass of salt water?
Both are types of solutions.
Both can be easily separated by using only your hands.
Both are types of mixtures.
Evaporating is the only way to separate both substances.
What is the main difference between a solution and a mixture of solid objects?
The parts of a solution are evenly mixed and cannot be easily separated.
The parts of a mixture are evenly mixed and cannot be easily separated.
Solutions always float on top of mixtures.
Mixtures cannot be separated easily into their parts.
