This document is a science exam for a high school student covering topics related to heat transfer and energy. It contains multiple choice questions testing understanding of concepts like renewable energy sources, heat flow, kinetic molecular theory, and examples of heat transfer. It also includes short essay questions asking students to explain concepts such as how heat relates to forest fires, floods, rising sea levels, the difference between heat and temperature, what a calorimeter is, and what makes objects hot or cold.

1. HIGH SCHOOL DEPARTMENT
SECOND QUARTER PRELIMINARY EXAMINATION: S.Y. 2019-2020
SCIENCE
NAME:__________________________________________ SECTION:_______________ SCORE: ___/30
DATE: __________ PARENTS’ SIGNATURE: __________________________________________________
I. Encircle the correct answer for the following questions. (1 pt each)
1. Which among the following is a good renewable source and practical alternative to fossil fuel?
A. Diesel B. GAS C. Petroleum D. Solar Energy
2. Which among the following is a good explanation of heat flows around us?
A. It transfers from hotter objects to cooler ones.
B. It didn’ttransferthe heatfrommaterialstoanother.
C. It transfersfromcoolerobjectstohotterobjects.
D. It staysand circulatesaroundthe objects.
3. Whichof the followingisanexample of heatflows?
A. Heat coolsthe handle of a hot metal toour skin.
B. Heat circulatesinthe handle of a hotmetal.
C. Heat flowsfromthe handle of ahot metal ladle toour coolerskin.
D. Heat didn’tpassto the handle of a hot metal toour skin.
4. Whichof the followingisanexample of heatflows?
A. Heat coolsthe skinto the much coolerairpassingfromthe air conditioner.
B. Heat circulatesinthe skintothe air passingfromthe airconditioner.
C. Heat didn’tpassto the skinto the much coolerairpassingfromthe air conditioner.
D. Heat flowsfromthe ourskinto the much coolerair passingfromthe air conditioner.
5. Which of the followingisnotanexample of heatflows?
A. Heat coolsthe skinto the much coolerairpassingfromthe air conditioner.
B. If you sitnear a bonfire,youwouldfeel the heatcomingfromthe fire.
C. Havinglefta spoonina glassof hot milk.
D. Beach inthe morning,youwill notice that the sandishot to holdwhenyougetit later.
6. Whichof the followingisanexample of heatflows?
A. Sittingina chair.
B. Walkinginthe park
C. Pettingadog.
D. Touchinga cup of coffee ora glassof orange juice.
7. What theorystatesthat matterismade up of atomsand moleculesthatare alwaysinmotion?
A. Gravitational Theory
B. KineticMolecularof Matter
C. CubismTheory
D. EvolutionTheory
8. What type of energypossessesinascenariowhereinmoleculesare inconstantmotion?
A. Potential Energy B. KineticEnergy C. SolarEnergy D. WindEnergy
9. What isthe device usedtomeasure the average kineticenergyof moleculesof agivensubstance?
A. Barometer B. Temperature C. Voltmeter D. Calorimeter

2. II. Providing an essay 3 sentences is the maximum about questions below. (3 pts each)
1. What is the concept of heat in forest fire devastating a huge area of land?
2. What is the concept of heat in floods happening frequently?
3. What is the concept of heat in sea levels of rise?
4. Is heat the same as temperature?
5. What is a calorimeter?
6. What makes a hot body hot?
7. What makes a cold body cold?