FULL NAMES:
STUDENT NUMBER:
UNIQUE NUMBER: 583388
MODULE CODE: NST1502
MODULE NAME: NATURAL SCIENCE AND
TECHNOLOGY FOR THE CLASSROOM 2
ASSIGNMENT: 04 (PORTFOLIO)
YEAR MODULE 2024
1
, NST1502
Question 1
1.1 Forms of Energy (14 Marks)
• Kinetic Energy: Energy that an object possesses due to its motion. For instance,
a moving car has kinetic energy.
• Potential Energy: Stored energy that an object has because of its position. An
example is a ball held at a height, which has gravitational potential energy.
• Thermal Energy: The internal energy in substances—the vibration and
movement of atoms and molecules. A hot cup of coffee holds thermal energy.
• Chemical Energy: Energy stored in the bonds of chemical compounds. It is
released in a chemical reaction, often producing heat. For example, the energy in
food is chemical energy.
• Electrical Energy: Energy caused by the movement of electrons. A common
example is electricity flowing through a wire.
• Light Energy: A type of kinetic energy with the ability to make types of light visible
to human eyes. An example would be sunlight.
• Sound Energy: A form of energy that is associated with vibrations of matter. A
guitar string producing sound waves is a good example.
1.2 Energy Transformation (4 Marks)
Energy can be transformed from one form to another. For example, in a car engine,
chemical energy from the fuel is converted into thermal energy, which is then converted
into kinetic energy to move the car. Another example is a light bulb, where electrical
energy is converted into light and heat energy.
2
STUDENT NUMBER:
UNIQUE NUMBER: 583388
MODULE CODE: NST1502
MODULE NAME: NATURAL SCIENCE AND
TECHNOLOGY FOR THE CLASSROOM 2
ASSIGNMENT: 04 (PORTFOLIO)
YEAR MODULE 2024
1
, NST1502
Question 1
1.1 Forms of Energy (14 Marks)
• Kinetic Energy: Energy that an object possesses due to its motion. For instance,
a moving car has kinetic energy.
• Potential Energy: Stored energy that an object has because of its position. An
example is a ball held at a height, which has gravitational potential energy.
• Thermal Energy: The internal energy in substances—the vibration and
movement of atoms and molecules. A hot cup of coffee holds thermal energy.
• Chemical Energy: Energy stored in the bonds of chemical compounds. It is
released in a chemical reaction, often producing heat. For example, the energy in
food is chemical energy.
• Electrical Energy: Energy caused by the movement of electrons. A common
example is electricity flowing through a wire.
• Light Energy: A type of kinetic energy with the ability to make types of light visible
to human eyes. An example would be sunlight.
• Sound Energy: A form of energy that is associated with vibrations of matter. A
guitar string producing sound waves is a good example.
1.2 Energy Transformation (4 Marks)
Energy can be transformed from one form to another. For example, in a car engine,
chemical energy from the fuel is converted into thermal energy, which is then converted
into kinetic energy to move the car. Another example is a light bulb, where electrical
energy is converted into light and heat energy.
2
