Heat Energy : Temperature and it’s measurement(ii)

Students should be able to:
Construct a device for measuring the temperature of a body.
Use the variation of:
(a) pressure of a gas with temperature;
(b) the expansion of solid, liquid or gas with temperature;
(c) electrical resistance of a material to measure the temperature of a body
Distinguish between heat and temperature and between temperature point and temperature intervals.
Select those liquids which are suitable for use in liquid-in-glass thermometers from a glass from a given list of liquids and their properties.
State the instrument used for measuring temperature explain the device
For measuring the temperature of an environment
Describe the absolute scale of temperature and explain the.
Meaning of the absolute zero of temperature.
Convert a given temperature on the Celsius scale to a temperature on the Kelvin scale.
Describe the kinetic molecular model of temperature.

Collision: Mechanical Energy

Students should be able to:
Calculate the kinetic and potential energy of a body.
Verify conservation of energy principles and show that the total energy is conserved for a given set of data on the energy of a particle in a conservation field.
Determine a machine and list at least five simple machines.
Define and calculate:
(A) Force ratio
(B) Velocity ratio
(C) Effiency for a simple machine and write the mathematical relationship between (a), (b) and (c).
State how friction can be reduced in the moving parts of a given machine.
Perform a simple experiment using a spring balance to determine the co-efficient of friction between two surface.

Gas Laws

Students should be able:
To explain, using the ideas of the kinetic theory of gases. the variation of volume with temperature of a gas when the pressure is kept constant.
The variation of pressure with volume of a gas when temperature is kept constant.
Explain Charles’ and Boyle’s laws of gases.
Deduce the general gas law from a given mass of gas which obeys Charles’ law.
Solve simple problems involving the gas laws.
Identify and use instruments for measuring pressure.

Heat Energy Measurements.

Student should be able to:
Explain the relationship between the heat supplied to a substance and
(a) its temperature change at constant mass.
(b) It’s mass at constant temperature change.
Explain why there is unequal rise in temperature for different substances of the same mass supplied with the same quantity of heat.
Explain the terms, specific heat capacity and thermal capacity.
Calculate unknown quantities using the relation H = f\1C T when no chan~ of state is involved.
Determine the melting point of a solid and boiling point of a given iiquid.
List the effects of impurities and pressure on the melting point of solid and boilding point of liquid.
Solve simple problems involving latent heat
Distinguish between evaporation and boiling and explain sublimation
Explain the working principles of such common devices as :refrigerator,air conditioner,pressure cooker.
Explain the effects of humidity on personal comfort.

Heat Energy : Temperature and it’s measurement(i)

Students should be able to:
Construct a device for measuring the temperature of a body.
Use the variation of:
(a) pressure of a gas with temperature;
(b) the expansion of solid, liquid or gas with temperature;
(c) electrical resistance of a material to measure the temperature of a body
Distinguish between heat and temperature and between temperature point and temperature intervals.
Select those liquids which are suitable for use in liquid-in-glass thermometers from a glass from a given list of liquids and their properties.
State the instrument used for measuring temperature explain the device
For measuring the temperature of an environment
Describe the absolute scale of temperature and explain the.
Meaning of the absolute zero of temperature.
Convert a given temperature on the Celsius scale to a temperature on the Kelvin scale.
Describe the kinetic molecular model of temperature.

Mechanical Energy

Students should be able to:
Calculate the kinetic and potential energy of a body.
Verify conservation of energy principles and show that the total energy is conserved for a given set of data on the energy of a particle in a conservation field.
Determine a machine and list at least five simple machines.
Define and calculate:
(A) Force ratio
(B) Velocity ratio
(C) Effiency for a simple machine and write the mathematical relationship between (a), (b) and (c).
State how friction can be reduced in the moving parts of a given machine.
Perform a simple experiment using a spring balance to determine the co-efficient of friction between two surface.

Optic-Snell’s Law

At the end of this lesson, the students should be able to understand Optic-Snell’s Law

Projectile 2

At the end of this lesson, the students should be able to understand Projectile

Linear Momentum 2

At the end of this lesson, the students should be able to understand Linear Momentum

Newtons Law Of Motion 4

At the end of this lesson, the students should be able to understand Newtons Law Of Motion

Machines 2

At the end of this lesson, the students should be able to understand Machines

Newtons Law Of Motion

At the end of this lesson, the students should be able to understand Newtons Law Of Motion