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WorksheetsScience DCA 1 Review
Total questions: 17
Worksheet time: 46mins
A beaker contains a mixture of water and sand. The easiest way to separate this mixture is to-
use a magnet to attract the sand
use a coffee filter to collect the sand
use tweezers to pick out the sand
add more water to the mixture
Adrian dropped a cork and iron nail into a container of water. The cork floated at the surface and the nail sank to the bottom. Which of the following is a valid conclusion based on the information given?
The cork is less dense than the nail, which makes it float.
The volume of the cork, and the nail is the same.
The cork cannot float, which makes it sink.
The nail is less dense than the cork, which makes it sink.
Based on the chart above, which is a valid conclusion?
Objects that are more dense than water will float.
Objects that are cubes sink.
Objects that are less dense than water will sink.
Objects that are less dense than water will float.
The ability of a substance to dissolve in water is refers to its solubility. Which list contains only matter that is able to be dissolved in water?
salt, sand, sugar
lemon juice, sand, honey
honey, salt, sugar
powdered drink mix, salt, wood chip
A _____________ is something about an object that you can observe with your senses.
matter
mass
volume
property
Kadyn classifies a group of objects by their physical properties. She puts a soccer ball, a blue marble, and an orange in one group. What property did she most likely use to classify these objects?
color
hardness
shape
size
The diagrams below show the particles that make up water. Which diagram shows how the particles are arranged when the water is solid?
All of the following are solutions except __________.
water and oil
sugar and water
lemon juice and water
The salt dissolved in the water after being mixed evenly.
Is this an example of a Solution?
Yes
No
A mixture of sugar and water is different from a mixture of sand and water because when sugar is mixed with water, the sugar –
turns into a solid
dissolves in the water, but the sand does not
evaporates
can be removed with a magnet, but sand cannot
Which mixture would best be separated by boiling?
Sand and Water
Salt and Water
Iron Fillings and Sand
All of them
Which mixture would best be separated by boiling?
Sand and Water
Salt and Water
Iron Fillings and Sand
All of them
What happens when sand and water are mixed together?
sand will settle to the bottom
water will change physical properties
the cup will get really cold
the sand will dissolve
Which one of the following would you use to separate sand from iron filings?
a magnet
filter paper
a funnel
your hands
