PHYSICS SS1 SECOND TERM LESSON NOTE
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PHYSICS SS1 SECOND TERM LESSON NOTE
SUBJECT: PHYSICS CLASS: SS 1
SCHEME OF WORK
WEEK TOPIC
1. Heat Energy, Concept of Heat and Temperature, Effects of Heat and Uses
2. Thermometer and Its Type, Evaporation and Boiling
3. Expansion of Solid, Effect and Applications of Expansion
4. Expansivity and Its Application – Linear, Area and Volume. Anomalous Expansion of Water. Real and Apparent Expansivity
5. Heat Transfer – Conduction, Convection, Radiation and Their Applications
6. Electric Charges – Production, Types, Distribution and Storage
7. Gold Leaf Electroscope and its Uses. Lighting and Lighting Conductor
8. Fields – Concept and Types of Field. Gravitational and Magnetic Field, Force of Gravity
9. Electric Field – Line of Forces, Properties of Line of Force, Description and Properties of Force Field
10. Production of Continuous Electric Current
REFERENCE BOOK
New School Physics By M.W Anyakoha
Senior Secondary School Physics By P.N Okeke
WEEK ONE
TOPIC: Heat Energy, Concept of Heat and Temperature and Effects of Heat
CONTENT
ü Concept of Heat
ü Temperature
ü Effect of Heat on bodies.
Concept of Heat
Heat is a concept of physics that deals with the study of relative motion of fluid (liquid and gas) from one body to another. It is a form of energy that can be transferred from one body due to temperature differences.
Temperature
Temperature is the degree of hotness and coldness of a body or an object. It is a scalar quantity, measured in Kelvin. Heat and Temperature are similar but not the same
Differences between Heat and Temperature
1. Heat is a measure of the total internal energy of a body while temperature is the degree of hotness or coldness of the body.
2. Heat takes place due to temperature difference while temperature occurs due to slight change of substance.
3. Heat is measured in joules while temperature is measured in Kelvin / Celsius.
Effect of Heat
When heat is applied to a body the following effect may occur
1. Expansion: when heat is applied, volumes increases while density decreases.
2. Change in temperature: When heat is added on a body, the temperature increases
3. Change of state: melting, freezing, condensation, evaporation etc.
4. Thermion emission: Addition of heat on metal may result in the emission of electron from the surface of the metal
5. Photo electric emission: The emission of electron when sufficient light of high frequency is illuminated on a metal surface e.g. zinc plate.
EVALUATION
1. Differentiate between heat and temperature.
2. Mention five effect of heat.
Reading Assignment
www.google.com (click on google search, type “concept of heat”, click on search) and New School Physics pg36.
WEEKEND ASSIGNMENT
1. Which of the following is not an effect of heat? A. expansion B. contraction
C. change of state. D. increase in weight
2. Temperature can be measured in the following units except A. degree celsius
B. kelvin C. degree Fahrenheit D. centigrade-meter
3. When heat is extracted from water it changes from liquid to gas. What is this process called....................
4. The process of by which a gas is converted to a solid is called .................
5. Fahrenheit is a unit of ...............................
THEORY
1. Differentiate between heat and temperature.
2. Mention five effect of heat.
WEEK TWO
TOPIC: Thermometer and Its Type. Evaporation and Boiling
CONTENT
ü Thermometer and Their Thermometric Substance
ü Fixed Point of Thermometer
ü Evaporation and Boiling
Thermometer and Their Thermometric Substance
Thermometric substances are substances which changes in proportion to temperature.
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