TEST CORRECTIONS

The students will be bringing their exams home for the parents to view.  They have the opportunity to make corrections on their exams for extra credit.  The students that failed the exam must bring the exams back corrected and signed by their parent/guardian.  Below you will find the exam for corrections purposes.

Or you can open up the test by CLICKING HERE

Mixtures and Solutions Exam Questions

1	What's a physical blend of two or more substances?
		A Heterogeneous B Mixture C Solution D Homogeneous

2	How many types of mixtures did we talk about
		F 1 G 3 H 2 J 4

3	Which type of mixture is not uniform in composition?
		A Heterogeneous B Homogenous C Solution D Mixture

4	Which of these BEST describes the change in salt grains as they dissolve in water?
		F The grains change their chemicals until they become water. G The grains get higher in temperature until they melt into a liquid. H The grains get smaller in size until they can no longer be seen. J The grains are washed clean until they are perfectly clear.

5	Raphaela is making a tossed salad. She mixes together lettuce, cucumbers, tomatoes, and carrots. Her friend Shannon does not like carrots. Which of the following BEST explains why Shannon will be able to eat the salad without eating the carrots in the salad?
		A A tossed salad is not a true mixture. B A salad is a mixture that can be separated. C Tossing the salad combines all the ingredients. D The carrots change their properties when mixed.

6	A student mixes sand and pebbles in a cup. How can the student separate the parts of this mixture?
		F heating them and collecting what is left G soaking them in water until the sand disappears H touching them with a magnet and keeping only the parts that stick J pouring them onto a wire mesh screen and catching what falls through
An

7	Which mixture could be separated using water?
		A sand grains and seashells B iron filings and sugar C salt and sugar D pebbles and marbles

8	Beach sand is made of small, worn rocks and fragments of shells and sponges.  This means that beach sand is —
		F a solid G a mixture H a compound J unstable

9	Which choice below is a mixture?
		A   B   C D

10	How many phases do you have with a Homogeneous mixture?
	F 1 G 2 H 3 J None

11	What is the special name scientist give to homogeneous mixtures?
	A Phases B Solutions C Composits D Distillations

12	What type of mixture has a completely uniform composition throughout itself?
	F Homogeneous G Distillation H Phase J Heterogenous

13	Which is NOT a way that mixtures are seperated?
	A Phasing B Sifting C Evaporation D Magnetic attraction

14	What is the process called when a liquid is boiled to produce vapor that is then condensed again to a liquid?
	F Mixing G Refining H Phasing J Distillation

15	Which mixture could be separated using a magnet?
	A pepper and sugar B pebbles and marbles C sand grains and seashells D iron filings and pepper

16	Any part of a system with uniform composition and properties is called a?
	F solution G phase H mixture J none of the above

17	How many phases are in a heterogeneous mixture?
	A 0 B 1 C 1/2 D 2 or more

18	Orange juice with pulp would be an example of what kind of mixture?
	F None of the Below G Solution H Homogeneous J Heterogeneous