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WorksheetsMatter Review 8.1, 8.2, 8.3, 9.1
Total questions: 41
Worksheet time: 21mins
Janice found two sea shells when she went to the beach. They appear to be almost the same size, but they have different shapes. How could she figure out if their volume is the same?
Weigh each one on a scale to see which is heaviest
Fill each one with water to see which will hold the most.
Drop each one in a beaker of water to see which raises the water level the most.
Measure the length of each one with a measuring tape to see which is longest.
The two objects shown are the same size. However, one object is made of wood, and the other object is made of plastic. Which of the following properties of the objects will be the same?
mass
texture
volume
weight
Susan blew up a balloon until it was completely full and as big as a soccer ball. Which of the following correctly describes the air inside the balloon?
The air is a gas that cannot be compressed by any means.
The air is a gas that always forms a round shape when compressed
The air is a gas that expands to evenly fill the space inside the balloon.
he air is a gas that will flow evenly and steadily from inside the balloon if punctured.
Dan brought some chocolate chips in a plastic container with his lunch one day. He decided to save them and eat them while he waited for the bus after school. All afternoon his lunch bag sat on the warm windowsill in his classroom. When he finally took the container out after school, the chocolate chips had turned into a hard chunk of chocolate shaped like the bottom of the container. What happened to his chocolate chips?
They started as a solid, melted, and then became solid again.
They changed from a solid to a gas before becoming solid once again.
They were a cool solid to start, then became a warm solid before cooling again.
They went from being a hard solid to a gas, a liquid, and then to a hard solid again.
Jacob found a piece of a broken glass bottle. He picked it up and made these observations about it:
1. No color (clear)
2. Makes scratches on wood
3. Has a bumpy surface
4. Broke when I dropped it
He thinks the glass is a solid and most of his observations could only apply to a solid. Which one of his observations could possibly apply to a solid, a liquid or a gas?
1
2
3
4
Lorenzo wants to mail a breakable birthday present to his friend. He has some crumpled newspaper and some crumpled tissue paper that he could use as packing material. Either one of them would protect his present from breaking.
He needs to figure out which type of packing material will weigh less, since the amount of postage he has to pay is based on how much his package weighs. What would be the BEST way for him to figure out which one to use?
Weigh a newspaper, weigh a package of tissue paper, and see which weighs more.
Weigh a crumpled piece of newspaper, weigh a crumpled piece of tissue paper, and see which weighs more
Put ten pieces of crumpled newspaper in the box and weigh it, repeat with ten pieces of crumpled tissue paper, and see which weighs more.
Pack the box with crumpled newspaper and weigh it, then pack it with crumpled tissue paper, and see which weighs more
If two objects balance like the ones shown below, what must be true?
Object A has more mass than object B.
Both objects have the same mass.
Object A has more volume than object B.
Both objects have the same volume.
Nathan went swimming at the lake over the weekend. While he was playing on the shore, he found a small chunk of cement and a stick, which appeared to be the same size. What would be the best way for Nathan to compare the volume of the stick and of the chunk of cement?
Throw them in the lake and see which one will sink.
Use a ruler to measure the length of each of the objects.
Place them each on a scale and see which one weighs more.
Place them in a bucket of water and see which one raises the water level the most.
Maria and Lucy are making peanut butter sandwiches. They learned at school that a substance may be a solid, a liquid or a gas. Maria thinks the peanut butter is a solid, but Lucy thinks it is a liquid. What would be the best way to test it to see if it is a liquid?
Try to pour it out of the jar.
Heat it to see if it gets softer.
See if its volume increases in the freezer.
Press it to try to make it take up less space.
Both cookies and gelatin desserts are solids although their textures are very different. What do they have in common that makes them solids?
They both may be eaten.
They both keep their own shape.
They both can move around in a container.
They both are made of solids such as sugar.
Katya is surfing at the beach. She accidentally gets some ocean water and seaweed in her mouth. What do ocean water and seaweed form together?
a mixture
a solute
a solution
a solvent
Heidi combined lettuce, tomatoes, cucumbers, and shredded cheese to make a salad. Which best describes what Heidi made?
combination
element
mixture
solution
Sierra made a mixture of sand and pebbles to use for an art project. When she is finished, she wants to separate the sand and pebbles to be used for other projects. Which is the best way for her to separate the sand from the pebbles?
by size
by color
by shape
by density
Dr. Morgan is using evaporation to separate salt from water. What happens during evaporation?
A substance changes from a gas to a liquid.
A substance changes from a liquid to a gas.
A substance changes from a liquid to a solid
A substance changes from a solid to a liquid
Nadia has a mixture of oil and water. She wants to separate the mixture. How can she do this?
by using a magnet to attract the oil
by pouring the mixture through a sieve
by evaporating the water from the mixture
by letting the oil float to the top and skimming it off
A container holds a mixture of glass shards and iron filings. What is the best way to separate the glass shards from the iron filings?
Use a magnet.
Heat the mixture
Sort them by size.
Separate them by shape
Lucas has a mixture of playing pieces for a game, shown in the following picture.
Which is the best way for him to separate the mixture so each player has the correct pieces?
size
color
shape
density
A company collects cans for recycling. Some cans are made of aluminum, and others are made of steel. Which of the following is the best way to separate the mixture of the two types of cans?
size
shape
magnetism
evaporation
The following illustration shows a tool that can be used to separate elements of certain mixtures.
This tool can separate what type of mixture?
a solution, such as salt water
a mixture of particles with different densities
a mixture of particles of different sizes, such as seashells and sand
a mixture of magnetic and nonmagnetic items, such as steel and aluminum cans
The following illustration shows a tool that is used to separate certain mixtures.This type of tool can be used to separate what type of mixture?
a mixture that is a solution, such as salt water
a mixture of particles of the same size with different densities
a mixture of particles of different sizes, such as seashells and sand
a mixture of steel, which is magnetic, and aluminum, which is not magnetic
Ellen has a mixture of sand and gravel. She places the mixture in a container and shakes the container. The picture below shows the mixture after it was shaken.
Which property best explains why the sand and gravel separated into two groups?
color
shape
weight
particle size
On a sunny day, Elena is cutting branches from a tree in her yard. At midday, she takes a break, leaving a pile of branches and leaves on the ground. When she returns and gathers the branches, she notices the leaves are wilted and crisp.
Which of the following correctly describes what happened to the leaves?
The trees had not received water for a long time before being cut
The warm temperature caused moisture to evaporate from the leaves.
The nutrients cannot reach the leaves if the tree's branches are not upright.
The leaves had been covered in frost the week before, but had not wilted until now
Imagine that you fill a bucket to the top with water and then place the bucket outside in freezing weather. Which of the following describes what will happen when the water in the bucket freezes?
The level of the water and the bucket itself will not be changed by becoming frozen.
The level of the water will be lower once it is frozen and the molecules are more compact.
The sides of the bucket will be pushed out and the level of the water will be above the rim of the bucket
The level of the water will be uneven once it is frozen because some of the water will remain as a liquid in the bucket
Which of the following describes an example of a material undergoing a chemical change to become another material with different characteristics?
Iron turns to rust when it is exposed to oxygen
When water boils, it turns into vapor, which is a gas
Oxygen can become liquid at a very low temperature
Gold can be spread out very thin to cover a large area
Which answer describes a way that a liquid can be turned into a gas?
Apply enough heat to cause evaporation.
Apply freezing temperatures to cause condensation.
Lower the temperature of the container to allow vaporization.
Maintain a constant temperature over a long enough time to cause freezing.
Nadal is helping prepare a large meal for a family gathering. After cooking for several hours, he notices the windows inside the kitchen are covered in moisture. Which answer best explains how this happened?
Evaporated moisture is condensing on the windows.
Heating up the house will make moisture evaporate from the windows.
It is raining outside and hot and dry inside, so water condenses inside the windows.
Having many people in a house causes water to form condensation on the windows.
Mayra leaves a basket of flowers she has just picked outside in the hot sun for several hours. What will Mayra find in her basket when she returns?
The flowers will be wilted and possibly brown.
The flowers will have dropped off of their stems.
Because they were just picked, the flowers will not have changed.
Because they still have living cells, the flowers will not have changed
Miguel is learning to cook. Following a recipe, he combines meat, vegetables, herbs and spices, and water in a pan and heats them until the mixture is hot and simmering. Which of the following will happen as the mixture simmers?
The heat will cause some of the water to turn to vapor.
The heat will cause some of the water to form a solid in the pan
The vegetables will turn to liquid form when combined with heat
The herbs and spices will keep the water from boiling in the pan.
Which of the following best explains what will happen if you fill a container to the top with liquid and then tightly secure the lid and place it in a freezer?
As it freezes, the liquid will maintain its shape and volume as it slowly turns into a solid.
As it freezes, the liquid will take up more space and push out on the container until it bursts.
As it freezes, part of the liquid will become gas, which will push out on the container until it bursts.
As it freezes, the liquid will take up less space because it will be a mixture of solid, liquid, and gas.
Iron becomes rust when it reacts with oxygen. Which of the following is another example of a material undergoing a chemical change to become another material with different characteristics?
melting ice
burning wood
freezing water
shattering glass
A compost pile is made up of vegetable scraps, grass clippings, and other yard waste. With the help of bacteria that break down matter, the plant material slowly becomes smaller particles that help the soil.
What would slow down this process of breaking down the plant material in a compost pile?
lowering the surrounding temperature
compacting the material into a smaller space
turning the pile over to introduce more oxygen
introducing worms or other creatures to the pile
Andrea created a solution by adding food coloring to water. Her solution is also a mixture. Which of these is true of all solutions?
They are all liquids.
They all include water.
The parts of all solutions are evenly mixed
The substances are always permanently combined
Gabrielle created a solution using a solute and a solvent. Which best describes a solution?
a chemical change
a chemical reaction
any combination of two or more liquids
an evenly distributed mixture of two or more substances
A solution is formed when one substance is dissolved in another. Mae has a solution in which water is the solvent. Which of these could be the solute?
oil
pebbles
sand
sugar
A group of students are studying how substances dissolve in water. Each student adds a 1-gram sample of material to 100 mL of water and stirs the liquid for 1 min. The table shows the substance each student tested.
Which student would have a clear solution with all the material dissolved?
Imad
Leah
Shakia
Trevor
In a science experiment, Kayo added 1 tbsp of sugar to a flask filled with water. The diagram below shows how Kayo’s experiment looked.
Which could Kayo do to speed up the dissolving process?
Add more sugar to the flask
Place the flask in an ice bath
Shake the flask back and forth
Remove some water from the flask
Mrs. Lopez is a chemist who is studying salt crystals. She wants to slow the rate at which the crystals dissolve in a solution of water. What could she do to slow the dissolving rate?
Crush the salt
Stir the solution
Heat the solution
Cool the solution
Four students are dissolving sugar in water to perform an experiment. Each student dissolved 1 tsp of sugar in 1 cup of hot water and stirred the water a different number of times. The students recorded how long it took for the sugar to dissolve in each cup. The results are shown in the following table.
Which of the following happened as the number of stirs increased?
The speed of dissolving increased.
The speed of dissolving decreased
The amount of sugar dissolved increased
The amount of sugar dissolved decreased
Salim is studying how the rate of stirring affects the time it takes for salt to dissolve. He added 1 g of salt to each of four beakers filled with water, stirred the water at different speeds, and recorded how long it took for all the salt to dissolve each time. Salim’s results are shown in the following table.
Which conclusion could Salim draw based on his results?
Salt will not dissolve in water unless the water is stirred
Stirring a solution of water increases the rate at which a salt dissolves
Stirring a solution of water decreases the rate at which a salt dissolves
Stirring a solution of water has no effect on the rate at which a salt dissolves
DeShawn is getting a new fish tank ready for the fish he plans to buy. He has to dissolve salt crystals in the water. What would be the best thing to do to help the crystals dissolve quickly?
shaking the watering can vigorously
stirring the solution in the watering can slowly
tilting the watering can carefully from side to side
setting the watering can down and leaving it alone
Kym has set up an experiment with four beakers, each filled with 100 mL of water at four different temperatures. She plans to time how long it takes for 1 tsp of sugar to dissolve at each temperature. To determine if there is a trend, she will add the sugar to each beaker of water without stirring, wait for it to dissolve, then plot her results on a graph. Which of the following graphs would most likely show the results of Kym’s experiment?
