WorksheetsMixtures and Solutions (Part 2)
Total questions: 36
Worksheet time: 9hrs 46mins
In this picture the red dots represent the solute. Which of the following statements is correct if both beakers have the same volume?
The one of the left is more concentrated
They both have the same concentration
The one on the right is more concentrated
The one of the right is more diluted
Which of the following would not create a mixture?
Dumping gravel and sand into water
Adding sugar to your tea
Heating a pot of water
Adding raisins, candy and nuts to your trail mix.
What is it called when you use a filter to separate fine particles?
filtration
sifting
flotation
evaporation
What is it called when you use a screen to separate particles based on particle size?
Flotation
Sifting
Magnetism
Evaporation
Which particle will dissolve the fastest?
A
B
C
D
Which particle will dissolve the slowest?
A
B
C
D
Mrs. Allen put 10g of solute into 90mL of solvent. What is the mass of the solution?
90g
100g
110g
50g
If a solution made with 10 grams of solute and 50 mL of solvent evaporates, what will be the mass of the solid left in the cup?
15g
5g
60g
10g
What is the process of reducing the concentration of a solute in a solution?
concentration
flotation
evaporation
dilution
Looking at this diagram, which of the following statements describes the solutions?
The glass on the right is more diluted
The glass on the right will be saltier (more taste)
The glass on the left is more concentrated
They both will taste the same
Mrs. Jenkins put a purple powder into a glass of water. After stirring, which observation would show that she made a solution?
the liquid stayed clear with purple particles on the bottom of the glass
the liquid started glowing
the liquid turned a clear purple with no visible particles
the liquid turned a cloudy purple
Which solution is the most diluted?
1
2
3
4
Which solution is the most concentrated?
1
2
3
4
Mr. Johnson dropped some fine iron fillings into his gravel mixture. What tool should he use to get them out?
Graduated Cylinder
Magnet
Balance
Ruler
We use which physical property to separate particles in a mixture?
color
texture
size
weight
Mary makes two mixtures. One has salt and water and the other has sand and water. How are her mixtures different from each other?
Salt will float to the top of her mixture while sand will sink
Sand cannot be removed but salt can
Salt cannot be removed but sand can
Salt dissolves into the water while sand does not dissolve
To separate a mixture of small particles that don't dissolve, which tool should you use? (think sand or diatomaceous earth powder)
evaporation
flotation
sifting
filtration
At what time did they first observe evidence of evaporation happening?
2 days
3 days
4 days
5 days
Knowing the particle size of the materials in a mixture helps us know __________________.
at what temperature to boil the mixture
if the solutes will dissolve
what it will look like after it evaporates
what tool to use to separate them
Ms. Stockton made two different pitchers of Kool-aid. One had 5g of fine grain sugar and the other had 5g of large grain sugar. What would be left if all the liquid evaporated out of her pitchers?
0g of fine grain sugar and 5g of large grain sugar
10g of fine grain sugar and 10g of large grain sugar
5g of fine grain sugar and 5g of large grain sugar
10g of fine grain sugar and 0g of large grain sugar
Which of the following is an example of a mixture?
a cup of ice cubes
a cup of mercury
a bowl of salt
a cup of various coins (pennies, nickels, quarters)
Which of the following is a solution?
Sugar
Water
Sand and Water
Sugar water
What method could we use to separate the oil from the water?
sifting
magnetism
filtration
flotation
Mrs. Sinka had a cup of ice sitting on her desk that had a mass of 50g. She put a lid on it then forgot about it the rest of the day. When she came back all the ice was melted. What should the mass be of her cup of water (melted ice) now?
the same as the cup of ice before
less than the cup of ice before
more than the cup of ice before
exactly half of the cup of ice before
When looking at a mixture of sand, salt and water, what should you try to separate first and with which tool?
evaporate the water to leave behind the salt and sand
heat up the mixture to get out the sand
use a filter to get out the sand
pour out the mixture into a big bowl to separate the water
Not all mixtures are solution, but all solutions are mixtures
True
False
Compounds have physical bonds. Mixtures have chemical bonds
True
False
Two Carbon atoms chemically bonded would be a(n) __________. (it may be more than one)
atom
molecule
element
compound
Helium would be a ______________. (It may be more than one)
atom
molecule
element
compound
A molecule with more than one element chemically bonded (may be more than one)
atom
molecule
compound
element
Smallest particle of an element (may be more than one)
atom
element
molecule
compound
Which word means shiny or luster?
magnetism
malleability
reflectivity
conductivity
Which word means the ability of a metal to carry hear or electrical energy?
ductile
conductivity
magnetism
malleability
Which word means the ability to be attracted to magnets?
magentism
reflectivity
conductivity
ductile
Which word means that metals can be hammered into shapes?
reflectivity
malleability
conductivity
luster
Which word means that metals can be stretched into wires?
ductile
magnetism
conductivity
reflectivity
