0 of 15 Questions completed
Questions:
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
0 of 15 Questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Energy comes from different sources. What is the most important source of energy for the earth?
Energy can change from one to another. ______________ use the sun’s energy to make food, they change light energy from the Sun to energy that stored in food.
__________ change light energy to electrical energy.
_______________ change stored energy to electrical energy.
Wind turbine change movement energy from the wind to __________.
Electrical fans change electrical energy to _______________.
Heat source can be obtained from friction, burning and electricity but the __________ is the main source of heat.
_______________ is a measure of how hot or cold something is.
Hot objects have have high temperature and cold objects have low temperature. Temperature is commonly measured in _____________.
What instrument do we use to measure temperature?
The boiling point of water is 100 °C, and the freezing point of water is ___________ °C.
Clinical thermometers is used for to measure body temperature. What are the average living human body temperature?
Heat always flow from a hotter to a colder region.
Which pin or thumb tax will be released first? Is it A, B or C?
Fill in the Blank with the Correct Answer
On the diagram shown, it shows that the object heated has a good .