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- 1. Multiple Choice
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.
- 2. Multiple Choice
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
- 3. Multiple Choice
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.
The air is a gas that will flow evenly and steadily from inside the balloon if punctured.
- 4. Multiple Choice
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
- 5. Multiple Choice
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
- 6. Multiple Choice
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.
- 7. Multiple Choice
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.
- 8. Multiple Choice
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.
- 9. Multiple Choice
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.
- 10. Multiple Choice
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.
- 11. Multiple Choice
George's science teacher has a mixture of table salt and iron filings. Which of the following would be the best way to separate the salt and the iron filings?
use a magnet to pull the iron filings from the salt
add food coloring to the mixture to make the salt change color
pour them into a beaker of water and see if the iron filings float
heat up the mixture to see if the salt or the iron filings will burn away
- 12. Multiple Choice
Carrie has a container that contains thousands of mixed glass beads and iron beads of different shapes and sizes. Which of the following is the best way to separate them?
The glass beads will float, so she could add water to the container and the glass will float to the top.
The iron beads are magnetic, so she could separate the glass from the iron with a strong magnet.
The iron beads might be heavier, so she could shake the container until the iron beads settle to the bottom.
The iron beads are smaller, so she could pour the beads through a strainer and the glass beads will separate.
- 13. Multiple Choice
Imagine you have a bucket of saltwater. Which of the following would be the best way to remove the water so that you're left with only salt?
Stir the saltwater for a long time. The salt will form a crystal.
Leave the saltwater to sit for a long time.
The salt will settle to the bottom.
Boil the saltwater. The water will evaporate and only the salt will remain.
Freeze the saltwater. The water will sink to the bottom and the salt will rise to the top.
- 14. Multiple Choice
Abdul uses sugar cubes to sweeten his tea. He wonders whether stirring his tea will make the sugar cube dissolve faster or slower. If Abdul stirs his tea, what effect does it have on the rate at which the sugar cube dissolves?
The rate that the sugar cube dissolves will speed up.
The rate that the sugar cube dissolves will slow down.
The rate that the sugar cube dissolves will remain the same.
The rate that the sugar cube dissolves will slow down and then stop.
- 15. Multiple Choice
Which of the following solids will not dissolve in boiling water?
baking soda
sand
sugar
table salt
- 16. Multiple Choice
Imagine that you have four buckets full of dark, muddy water. One bucket is frozen, one bucket is boiled, one bucket is shaken up, and one bucket is passed through a paper filter. Which bucket is most likely to become lighter in color?
The frozen bucket, because the mud separates from the water.
The shaken bucket, because shaking causes the mud to dissolve.
The boiled bucket, because the dirt in the muddy water evaporates.
The filtered bucket, because larger particles of dirt were strained out.
- 17. Multiple Choice
Jason has a mixed container of iron pellets, foam pellets, glass pellets, and salt pellets. He needs to do the following things to separate these solids:
A. Add water to the container and stir to dissolve the salt.
B. Heat the water until it evaporates and leaves the salt.
C. Remove the iron pellets with a magnet.
D. Collect the floating foam pellets and the glass ones that have stuck to the bottom.
Which answer choice puts these steps in the correct order?
A, C, B, D
C, A, D, B
D, A, B, C
B, D, C, A
- 18. Multiple Choice
Imagine a thick ten-kilogram block of soap and a thin ten-kilogram sheet of soap. Which answer correctly explains which will dissolve first when they are both placed underwater?
The sheet will dissolve first because it has more surface area.
The sheet will dissolve first because it has less mass than the block.
The block will dissolve first because it is less spread out than the sheet.
The sheet and the block weigh the same, so they will take the same amount of time to dissolve.
- 19. Multiple Choice
Kayla wants to know if a sugar cube in a bowl of water will dissolve more quickly if it is stirred with a spoon than if it is left alone. Which answer explains the effect that stirring will have?
Stirring makes the sugar move around, and it dissolves more slowly because it is not staying still.
The sugar will dissolve more slowly because the movement of the water makes it stick together
The sugar dissolves more quickly because the motion of the spoon creates heat, which melts the sugar.
When the sugar is stirred, more surface area will come into contact with the water, so the sugar dissolves more quickly.
- 20. Multiple Choice
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.
- 21. Multiple Choice
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.
- 22. Multiple Choice
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.
- 23. Multiple Choice
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.
- 24. Multiple Choice
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.
- 25. Multiple Choice
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.
- 26. Multiple Choice
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.
- 27. Multiple Choice
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.
- 28. Multiple Choice
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
- 29. Multiple Choice
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
- 30. Multiple Choice
Brian and Emily are testing different paper airplane designs to see which will allow a plane to go the farthest. Emily folds her plane and attaches a paperclip to the front of it. After she throws the plane, it travels about fifty feet and then starts to fall to the ground. Why does the plane eventually fall to the ground?
The force of air resistance stops acting on the plane.
The plane was not designed to carry a load like the paperclip.
The force of gravity is greater than the forces keeping the plane in the air.
The paperclip creates a magnetic force that attracts the plane to the ground.
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