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14 QuestionsShow answers
Question 1
SURVEY
60 seconds
Q. To dissolve in water.
answer choices
solubility
density
mixture
evaporation
Question 2
SURVEY
60 seconds
Q. A combination of rocks and water is an example of
answer choices
A mixture
A solution
Dissovling
Question 3
SURVEY
60 seconds
Q. Salt dissolves in water like ----
answer choices
Pepper dissolves in water
Sugar dissolves in water
Rocks dissolve in water
Seeds dissolve in water
Question 4
SURVEY
180 seconds
Q. A student collects seashells at the beach. Ms. Deering will not allow the student to take any sand on the bus. If the student wishes to take the seashells home he must separate the seashells from the sand. Which of the following would be most helpful when trying to separate the sand from the sea shells?
answer choices
hot plate
water
sieve
magnet
Question 5
SURVEY
60 seconds
Q. A mixture of aluminum and steel can best be separated by ________________.
answer choices
adding water
using a sieve
density
a magnet
Question 6
SURVEY
60 seconds
Q. 47 grams of salt is dissolved in 700 mL of water. How much salt will remain after the water is evaporated?
answer choices
653 grams
47 grams
none
37 grams
Question 7
SURVEY
120 seconds
Q. Students are conducting an experiment with salt water. A large quantity of sand is added to the container of salt water. What do you expect to observe?
answer choices
The salt floats to the top of the container.
The sand dissolves.
The sand settles to the bottom of the container.
The salt and sand combine to form a solid.
Question 8
SURVEY
120 seconds
Q. Susan prepares a mixture of oil, lemon juice, and water as a salad dressing. Why will she have to shake the mixture before pouring over her salad?
answer choices
The lemon juice is more dense than the water and oil.
The oil is less dense than the water and lemon juice.
The water, lemon juice, and oil will form layers.
The lemon juice and oil will combine to form a solid.
Question 9
SURVEY
120 seconds
Q. If Billy were stranded on an island surrounded by the ocean he could satisfy his fresh water needs by ____________.
answer choices
filtering the ocean water to remove the salt.
evaporating the water from the ocean and collecting the fresh water.
digging in the sand.
Billy doesn't really need fresh water.
Question 10
SURVEY
60 seconds
Q. A glass beaker contains 100 milliliters of water into which 5 grams of salt was stirred. Which item should be used to separate this particular mixture?
answer choices
triple beam balance
hot plate
paper filter
magnet
Question 11
SURVEY
60 seconds
Q. What change happens when water mixes with sugar?
answer choices
The appearance of the sugar changes
the shape of the water changes
the taste of sugar changes
the state of water changes
Question 12
SURVEY
60 seconds
Q. What property of tea changes when it is mixed with sugar?
answer choices
color
taste
shape
state
Question 13
SURVEY
180 seconds
Q. A fifth grade class has collected empty cans for recycling. They have several large bins with aluminum and steel cans, all mixed together. The two types of cans must be separated. Which of the following techniques could the students use to separate the two types of cans?
answer choices
Place the cans in water, and the aluminum cans will float
Crush the cans to make them easier to carry
Test the cans for their ability to conduct electricity