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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
drawing a conclusion
B
creating a hypothesis
C
conducting an observation
D
making a conclusion
2) Why do scientists repeat experiments?
A
To make their hypothesis correct
B
For fun
C
To get accurate results
D
Scientists don't repeat experiments.
3) Which mixture maintains its physical properties?
A
food coloring, salt, and water
B
salt and water
C
sand and pepper
D
sugar and water
4) Which mixture maintains, or keeps, its physical properties when mixed together?
A
powdered drink mix and water
B
sugar and iced tea
C
sugar and coffee
D
steel beads and plastic beads
5) Which mixture can be separated with a magnet?
A
water and salt
B
copper pennies and wood chips
C
wood chips and sand
D
iron filings and sand
6) Why does the metal part of your seatbelt get hot?
A
Metal is a poor thermal insulator.
B
Metal is a good insulator of thermal energy.
C
Metal is a good conductor of thermal energy.
D
Metal is a poor conductor of thermal energy.
7) Which of these tools will measure a physical property?
A
A rope
B
A stopwatch
C
A clock
D
A Triple Beam Balance
8) What is an insulator?
A
A state of matter
B
A material that does NOT let heat or electricity pass through.
C
A material that does let heat and electricity pass through.
D
A material that makes things hot and cold at the same time.
9) What is the MELTING point of water?
A
0 degrees Celsius
B
32 degrees Celsius
C
10 degrees Celsius
D
100 degrees Celsius
10) Which of the following has the greatest density and would sink in water?
A
wood chips
B
Styrofoam
C
Metals like Copper, Brass, and Steel
D
cardboard
*select an answer for all questions
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