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WorksheetsScience 8 - Unit A Practice
Total questions: 11
Worksheet time: 9mins
Using the nutritional label above, calculate the concentration of sugar in one serving of juice.
0.10 g per 100 mL
10 g per 100 mL
25 g per 100 mL
225 g per 100 mL
The most likely reason for why Jordan's sugar took longer to dissolve is
Sugar dissolves faster in cold water
Jordan's surgar was cubed
Taylor's container was larger
Taylor didn't stir their coffee
The milk has a ___i___ viscosity than the shampoo because the milk has ___ii___ resistance to flow.
The statement above is best completed by:
i: lower
ii: more
i: lower
ii: less
i: higher
ii: more
i: higher
ii: less
Which metal is the student most likely working with?
Aluminum
Copper
Gallium
Tin
In order for a liquefier to convert hydrogen gas to its liquid state, the liquefier most likely
runs electricity through the gas
exerts pressure to compress the gas
cools the gas to its boiling point
dissolves the gas in water
Which of the following is the primary advantage of converting liquifying hydrogen before
transport?
Hydrogen gas is dangerous to transport.
Hydrogen is only useful in its gaseous state.
Trucks can carry more hydrogen as a liquid than a gas.
Liquid hydrogen doesn't require special storage equipment.
Carbon dioxide gas can be dissolved in water because the particles in water are ___i___ than the particles in carbon dioxide, resulting in water having a ___ii___ density, compared to the carbon dioxide gas.
The statement that is best completed by the answers are:
i: closer together
ii: lower
i: further apart
ii: greater
i: closer together
ii: greater
i: further apart
ii: lower
When carbon dioxide gas located in a 2.0 m cylinder is compressed with 10 N of force, the resulting pressure in the cylinder would be
0.20 Pa
5.0 Pa
12 Pa
20 Pa
The students that chose to increase the ___i___ noticed that the height of the boat above the water ___ii___.
The statement above is best completed by the answer:
i: salt concentration of the water
ii: decreased
i: volume of the water
ii: increased
i: weight of the boat
ii: increased
i: temperature of the water
ii: decreased
Label the variables from the experiment using the blanks below. A number may be used more than once.
1. Controlled variable
2. Manipulated variable
3. Responding variable
height of the boat 2salt concentration 3temperature of the water 4 weight of the boat
(a)
A submarine dives by releasing air, and replacing it with water. This process allows the submarine to dive because, by releasing air, the submarine
reduces its mass
becomes more buoyant
decreases its pressure
increases its density
