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WorksheetsMatter and mixtures
Total questions: 20
Worksheet time: 11mins
Name
Class
Date
1.
Which equipment should always be close by when using flammable material?
a)
safety goggles
b)
fire extinguisher
c)
apron/lab coat
d)
gloves
2.
When sugar is mixed in water, why does it seem to disappear even when it remains a solid?
a)
It becomes a solvent
b)
It diffuses evenly in the water
c)
Osmosis occurs in the water
d)
The heat changes it into a liquid
3.
Which one is NOT a physical property of matter?
a)
color
b)
texture
c)
density
d)
flammability
4.
Which physical property has to do with allowing heat energy or electricity to flow freely?
a)
insulation
b)
conductivity
c)
flammability
d)
solubility
5.
When an object changes states from solid to liquid to gas, it means _______________.
a)
an increase in mass
b)
an increase in temperature
c)
a decrease in temperature
d)
an increase in density
6.
What is the boiling point of water?
a)
90 degrees C
b)
95 degrees C
c)
100 degrees C
d)
212 degrees C
7.
Adding more water means an increasing boiling point.
a)
True
b)
False
8.
Which is the best way to separate a mixture of corks and marbles?
a)
add water
b)
add a magnet
c)
pour it through a filter
d)
put it over an open flame
9.
Why would you use a spring scale or a triple beam balance?
a)
to measure temperature
b)
to measure volume
c)
to measure density
d)
to measure mass
10.
When would this tool be used?
a)
to measure mass or weight
b)
to measure volume
c)
to measure length
d)
to measure density
11.
Look at the triple beam balance. What mass does it show?
a)
500 mg
b)
570 mg
c)
576 mg
d)
576.5 mg
12.
Which statement is a hypothesis?
a)
Use a ruler to measure length.
b)
Why is the sky blue?
c)
The quarter will hold more drops of water.
d)
Which solution will have greater density?
13.
Which tool would be most appropriate use to observe leaves in an outdoor garden?
a)
binoculars
b)
hand lens
c)
microscope
d)
telescope
14.
When an apple landed on Isaac Newton's head, he started thinking about which invisible force?
a)
photosynthesis
b)
gravity
c)
oxygen
d)
electricity
15.
Look at the level of water before it evaporated, and compare it after it evaporated. How much water turned into gas?
a)
20 ml
b)
15 ml
c)
10 ml
d)
5 ml
16.
Why should a scientist repeat their trials more than once?
a)
to make their experiments last longer
b)
to increase the reliability of the data
c)
to add a variable
d)
to make the hypothesis correct
17.
A wind turbine turns wind into electricity. Which amount of electricity in kilowatts is caused by the most wind?
a)
1 kilowatt
b)
2 kilowatts
c)
4 kilowatts
d)
8 kilowatts
18.
An experiment that tests the distance that a marble travels, has it travel over a table 3 times, then over cement 3 times. Why did they have it travel over the cement?
a)
They wanted more data
b)
They wanted a variable
c)
They wanted a control
d)
They wanted a dependent variable
19.
What does the word "solution" mean when used to test solubility?
a)
A substance created when a solute dissolves into a solvent
b)
An answer to a math or science problem
c)
A process when molecules move from an area of higher concentration to lower
d)
The ability of a solid dissolves into a liquid
20.
Why does something sink into a liquid or a gas?
a)
Because it has less mass than the liquid or gas
b)
Because it has more volume than the liquid or gas
c)
Because it has more relative density than the liquid or gas
d)
Because it has less solubility than the liquid or gas
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