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- 1. Multiple Choice
The mass of a rock is measured with a balance. The rock is then broken into many smaller pieces and the total mass of all the pieces is measured again. Which of the following sentences about the mass is TRUE?
The mass of the rock will be greater than the total mass of the smaller pieces.
The mass of the rock will be less than the total mass of the smaller pieces.
The mass of the rock will be same as the total mass of the smaller pieces.
The mass of the rock will not be the same as the total mass of the smaller pieces.
- 2. Multiple Choice
A glass marble and a piece of cork of the same shape and size are dropped in water. Which of the following explains correctly why the glass marble sinks while the cork piece floats on water?
The glass marble is denser than water while the cork is less dense than water.
The glass marble is less dense than water while the cork is denser than water.
The glass marble and the cork are both denser than water.
The glass marble and the cork are both less dense than water.
- 3. Multiple Choice
All of the following objects are attracted to magnets EXCEPT _________.
Iron nail
Plastic button
Steel scissors
Iron screw
- 4. Multiple Choice
The same quantity of sugar and sand are added to a glass of water and stirred. After some time the sugar particles cannot be seen while sand particles settle down. Based on the observations, which of the following statements is TRUE?
Sugar is soluble in water while sand is not.
Sand is soluble in water while sugar is not.
Both sugar and sand are soluble in water.
Both sugar and sand are not soluble in water.
- 5. Multiple Choice
A student was working with 50 mL of water in an experiment. Which of the following statements can be concluded from the picture?
The volume of a liquid changes when the shape of its container changes.
The mass of a liquid changes when the shape of its container changes.
The volume of a liquid stays the same when poured from one container to another container.
The temperature of the liquid changes as the shape of the container changes.
- 6. Multiple Choice
Which of these objects is an insulator?
Copper Wire
Oven Mitt
Paper Clip
Soda Can
- 7. Multiple Choice
Which of the following best represents the three states of matter?
Picture A
Picture B
Picture C
Picture D
- 8. Multiple Choice
Identify which item below best completes the table.
Glass Window
Gold Ring
Paper Bag
Styrofoam Cup
- 9. Multiple Choice
Four spoons made of different materials are placed in a bowl of hot soup for the same time. Which one could you safely use to stir the soup without burning your fingers?
Steel Spoon
Silver Spoon
Wooden Spoon
Copper Spoon
- 10. Multiple Choice
A magnet would be attracted to which item?
Plastic bottle sprayer
Refrigerator
Wooden table
Aluminum bat
- 11. Multiple Choice
A student completes an investigation, where sand and water are mixed together. The student needs to separate the sand from the water. Which of the following procedures should the student follow?
Pour the mixture through a funnel to separate the sand from the water.
Pour the mixture through a paper filter to separate the sand, and allow the water to flow through to another container.
Pour the mixture into a glass, and use your hand to separate the sand from the water.
Pour the mixture into a bowl, and dip all the water out with a spoon.
- 12. Multiple Choice
A student mixes together iron filings, sand, salt, gravel, and water. Which ingredients will keep all their physical properties after being mixed?
Iron filings, sand, and gravel
Iron filings, sand, and salt
Sand, gravel, and salt
Sand, salt, and water
- 13. Multiple Choice
A student dropped a blue dye tablet in a glass of water. The tablet dissolved completely in the water to from a solution. Which physical property of the blue dye tablet did NOT change when mixed with water?
Shape
Size
Texture
Color
- 14. Multiple Choice
A teacher mixes 50 grams of sugar with 100 mL of water in a beaker until the sugar dissolves. The teacher then puts the beaker on a hotplate and evaporates the water. How much sugar will be left after all the water evaporates?
0 grams
10 grams
50 grams
100 grams
- 15. Multiple Choice
A class completes an experiment where they mix together salt, sand, and water. Which three tools will they need to separate the mixture?
Stove, Spoon, Beaker
Stove, Filter, Beaker
Filter, Funnel, Beaker
Filter, Spoon, Beaker
- 16. Multiple Choice
Which of these is NOT a mixture?
Hamburger
Kool-Aid
Fruit Salad
Taco
- 17. Multiple Choice
What would be the best way to separate the trail mix?
Put the trail mix in a container and pour water on it.
Drag a magnet over the trail mix to take apart the items.
Place the trail mix in a pan and place it in the Sun.
Use a utensil to physically separate the trail mix.
- 18. Multiple Choice
All of the following science tools can be used to separate a mixture, except _________.
a camera
a stove
a filter paper
tweezers
- 19. Multiple Choice
All of the following are solutions except?
Pepper and Water
Peppermint Candy and Water
Sugar and Water
Salt and Water
- 20. Multiple Choice
Which of the following is the best method for separating ocean water?
Use a filter to separate the salt from the water.
Heat up a sample of ocean water on a stove.
Add ten tablespoons of regular salt to ocean water.
Place a sample of ocean water into the freezer.
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