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Unit 1 Review
Test Description: More practice on TEK 5.5
Instructions: Answer all questions to get your test result.
1) Which of the following best explains Dr. Pepper is a liquid and not a solid?
A
It has molecules more tightly packed than a solid.
B
It has a dark color.
C
It takes the shape of its container.
D
You can not weigh it on a scale.
2) A student places 10 glass marbles in a beaker of water. The marbles sink to the bottom of the beaker and remains there overnight. Which properties of the marbles does this demonstration show?
A
The marbles are good conductors of energy and not soluble in water.
B
The marbles are not soluble and less dense than water.
C
The marbles are nonmagnetic and not good conductors.
D
The marbles are solids that are denser then water.
3) Which of the following physical properties will NOT change when a tea bag is placed in a sugar water solution?
A
The physical state of the solution
B
The taste of the solution
C
The smell of the solution
D
The color of the solution
4) Which of the following items would NOT be attracted or repelled by a magnet?
A
Iron nail
B
Steel paper clip
C
Another magnet
D
Copper penny
5) Which of these best describes the change in salt grains as they dissolve in water?
A
The grains get smaller in size until they can no longer be seen.
B
The grains get higher in temperature until they melt into a liquid.
C
The grains are washed clean until they are perfectly clear.
D
The grains change their chemicals until they become water.
6) What is a insulator?
A
a material that is fluffy
B
a material that slows the transfer of heat
C
a material that transfers heat easily
D
a material that is temperature controlled
7) What is a conductor?
A
a material that is temperature controlled
B
a material that is fluffy
C
a material that slows the transfer of heat
D
a material that transfers heat easily
8) What is the BEST example of a conductor?
A
A metal bowl
B
A ceramic mug
C
A wooden block
D
A glass cup
9) A jacket is a good example of an . . .
A
Investigator
B
Interrogator
C
Conductorc
D
Insulator
10) An insulator is a type of material that allows heat to escape from an object quickly.
A
False
B
True
*select an answer for all questions
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