Definition
Metal and plastic paper clips are combined, creating a mixture. Why is the combination considered a mixture?
A. Metal and plastic paper clips cannot be easily separated because they are different colors.
B. Metal and plastic paper clips cannot be easily separated because they do not keep their physical properties.
C. Metal and plastic paper clips are not easily identified by shape and color.
D. Metal and plastic paper clips can be easily separated because they keep their physical properties.
D. Metal and plastic paper clips can be easily separated because they keep their physical properties.
The teacher asked students to bring 100 small snacks to share with classmates.
The snacks were:
-Cereal loops
-Raisins
-Pretzels
-Jellybeans
Each student added their snack to a giant bowl. But one student did not like raisins. The teacher said the problem could be solved.
Which is the BEST solution to the problem?
A. The student did not have to eat the mixture if he/she did not like it
B. The student could pick out the raisins since ingredients in a mixture keep their own properties
C. The teacher forgot the mixture could not be separated once the parts were combined
D. None of the above
B. The student could pick out the raisins since ingredients in a mixture keep their own properties
What could you do to a container of water to make a mixture?
A. Pour it into another container
B. Add a spoonful of salt and stir
C. Decrease the temperature
D. Put it outside in the Sun
B. Add a spoonful of salt and stir
Which of the following is always true about mixtures? A mixture is always__
A. Heavier than other kinds of matter
B. Impossible to separate
C. A solid combined with a liquid
D. Made of two or more materials
D. Made of two or more materials
Which scientific tool can be used to complete the table?
Mixture Tool
Sand and gravel - Strainer
Metal and plastic paper clips- Magnet
Wood chips and pebbles - ?
A. collecting net
B. beaker
C. tweezers/ forceps
D. hand lens
C. tweezers/ forceps
Which of the following would create a mixture?
A. Stirring a container of water
B. Adding sand to gravel
C. Heating a sample of salt
D. Filling a beaker with ice
B. Adding sand to gravel
Students are asked to choose what best defines a mixture. Which most correctly defines a mixture?
A. Two or more substances that cannot be combined no matter how they are mixed
B. Two or more substances that cannot be separated when combined
C. Two or more substances that make something new when combined
D. Two or more substances that stay the same and can be separated when combined
D. Two or more substances that stay the same and can be separated when combined
A. beaker
B. Sieve
C. Pan balance
D. Magnet
D. Magnet
The students in Mr. Sanchez class have a jar of pennies. How could they make a mixture with this?
A. Seal the jar and shake it
B. Pour the pennies onto the table
C. Add dimes and stir them in
D. Stir in more pennies
C. Add dimes and stir them in
How do we know that soda is a mixture?
A. The bubbles show that a gas has been added
B. It can be easily poured from a bottle into a glass
C. The soda's mass can be measured with a balance scale
D. A soda remains a liquid when the can is open
A. The bubbles show that a gas has been added
A group of students combine gravel and sand. The scientific word for this substance is a/an___
A. rock
B. combination
C. mixture
D. experiment
C. Mixture
All of the following describe a process that makes a mixture EXCEPT-
A. Dissolving sugar in water
B. Adding sand to gravel
C. Stirring two kinds of cereal together
D. Combining two glasses of water
D. Combining two glasses of water
Two boys make a mixture of water, sand, and gravel. They decide to separate the mixture using a filter. The boys record observations and conclude that a mixture is made up of two or more substances that--
A. cannot be separated with a filter
B. can be separated using evaporation
C. dissolve when mixed with water
D. Retain their own properties
D. Retain their own properties
Which would be the result of combining peanuts, raisins, and chocolate chips?
A. A change of state would happen
B. Evaporation would take place
C. A mixture would be produced
D. Heat would be generated
C. A mixture would be produced
Which example is NOT a mixture?
A. Cake batter
B. Bowl of cereal and milk
C. Chocolate chip cookie
D. Steel paper clips
D. Steel paper clips