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5th Grade Quiz Review Investigation 2 Mixtures And Solutions
Test Description: Mixtures and Solutions Inv. 2
Instructions: Answer all questions to get your test result.
1) You have 3 solutions all using the same amount of solid. Which is most concentrated?
A
Solution with 1000ml of water
B
Solution with 500ml of water
C
Solution with 780ml of water
2) Explaining how much of a solid dissolves into a liquid is
A
concentration
B
density
C
mass
3) A marble sinking to the bottom of a cup is evidence that
A
solids usually sink in water
B
the marble is less dense than the water
C
the marble is more dense than the water
4) Oil in a salad dressing floats on top of the vinegar. Oil floats on top of the vinegar because
A
oil is less dense than vinegar
B
oil is more dense than vinegar
C
vinegar is a solution, but oil isn't
5) When layering solutions, which property are you demonstrating?
A
concentration
B
mass
C
density
6) The greater the concentration of a salt solution, the greater is its density.
A
false
B
true
7) Less dense liquids and solid objects float on more dense liquids.
A
True
B
False
8) My lemonade is so sweet. What can I do to lessen the sweetness of this solution?
A
add powder
B
add water
C
add salt
9) ___________________________refers to a solution that is less concentrated, tastes weak, and looks lighter.
A
dilute
B
concentrated
C
dense
10) __________________________ refers to the amount of material dissolved in a measure of liquid. (drink tastes sweet and looks dark)
A
concentration
B
density
C
dilute
11) Two solutions have 50 ml of water. Solution A has 4 spoons of salt. Solution B has 3 spoons
A
A is more concentrated.
B
A is more dilute
C
B is more concentrated.
12) I have a salt solution with 2 spoons of salt. What happens to the concentration if I had another spoon of salt?
A
concentration decreases
B
concentration stays the same
C
concentration increases
*select an answer for all questions
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