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Mixtures And Solutions
Test Description: Science Review
Instructions: Answer all questions to get your test result.
1) A student records the height of two ivy plants while giving one water and one no water. What is the student doing?
A
conducting an observation
B
creating a hypothesis
C
drawing a conclusion
D
making a conclusion
2) Why do scientists repeat experiments?
A
For fun
B
Scientists don't repeat experiments.
C
To make their hypothesis correct
D
To get accurate results
3) Which mixture maintains its physical properties?
A
salt and water
B
sand and pepper
C
food coloring, salt, and water
D
sugar and water
4) Which mixture maintains, or keeps, its physical properties when mixed together?
A
sugar and coffee
B
sugar and iced tea
C
steel beads and plastic beads
D
powdered drink mix and water
5) Which mixture can be separated with a magnet?
A
copper pennies and wood chips
B
wood chips and sand
C
water and salt
D
iron filings and sand
6) Why does the metal part of your seatbelt get hot?
A
Metal is a poor conductor of thermal energy.
B
Metal is a good insulator of thermal energy.
C
Metal is a good conductor of thermal energy.
D
Metal is a poor thermal insulator.
7) Which of these tools will measure a physical property?
A
A Triple Beam Balance
B
A stopwatch
C
A clock
D
A rope
8) What is an insulator?
A
A material that does let heat and electricity pass through.
B
A material that does NOT let heat or electricity pass through.
C
A state of matter
D
A material that makes things hot and cold at the same time.
9) What is the MELTING point of water?
A
10 degrees Celsius
B
100 degrees Celsius
C
0 degrees Celsius
D
32 degrees Celsius
10) Which of the following has the greatest density and would sink in water?
A
cardboard
B
wood chips
C
Styrofoam
D
Metals like Copper, Brass, and Steel
*select an answer for all questions
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