SUMMATIVE TEST on SOUND, LIGHT, HEAT AND TEMPERATURE
NAME: _______________________________ DATE: __________________ SCORE:
SECTION: ____________________________
47
General Instruction: Read and understand each direction first before answering.
TEST I. True or False.Write T if the statement is true and F if false before the number.(10 pts)
_________1. Sound is a wave that carries energy.
_________2. Sound needs a medium to travel and cause vibrations.
_________3. Sound transmits faster in solids than any matter.
_________4.Factors that affects the propagations of sounds are solid, liquid and gas.
_________5.The speed of sound is only about1/ 1 000 000 000 of the speed of light.
_________6.Light is both wave and a particle.
_________7.Light cannot travel through a vacuum.
_________8.Light is a transverse, electromagnetic wave that can be seen by humans.
_________9. The wave nature of light was first illustrated through experiments on diffraction and interference.
_________10. The two properties of light are reflection and refraction.
TEST II. Problem Solving. Solve what is asked. Show all your solutions. (16 pts.)
11. The atmospheric temperature of three famous cities of mainland China are as follows: Beijing has 280C,
Xi’an has 260C and Shanghai has 240C.
11.1 How fast does sound travel in the air of the three cities?
11.2 Sequence the cities according to the increasing speed of sound.
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TEST III. Essay. Answer the questions below. Write your answer in a cursive manner and avoid erasure.
(21pts)
Rubric for checking the answer on numbers 12-14.
Criteria
Content
4
The content are
substantial and
correct
1
3
2
Most of the content
are correct
Some of the content
are correct
Only few of the
content is correct
The ideas are clear
and orderly
arranged
Only few ideas are
clear and not
orderly arranged
One example were
given
Organization of
ideas
Example/s
12. What are heat and temperature and how it is measured? Give one example of its importance. (7 pts)
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13. What do you think is the effect of too much heat in the surface of the earth?Give one example of its
effect.(7 pts)
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14. What is an ultraviolet ray? What are its advantages and disadvantages?Give one example of the cancer
that can be developed because of too much exposure of ultraviolet rays. (7 pts)
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END OF TEST