Physical Science Tape 1(#102): Matter, Mechanics
MATTER (34
min.)
Physical Properties
The five senses
Making approximations
Safety
Dissolving rates
particle model
Identifying unknowns
Making measurements - units, length, weight, volume
Using the balance and graduated cylinder
MECHANICS (30 min.)
Classifying by position and motion
Reading coordinates
Investigating motion and energy
Friction
Simple machines
Levers - types, applications
Inclined plane, wedge
Wheel and axle
Pulleys and gears
Physical Science Tape 2 (#103):
Heat, Light, Sound, Electricity / Magnetism
HEAT (8 min.)
Sources of heat
Use of thermometers, scientific methods
Heat transfer by conduction
Conductors and insulators
LIGHT (17 min.)
Sources of light
Transmission through different materials
How a magnifier works
Reflection and mirrors
Shadows
Colors - pigments, light
SOUND (19 min.)
Sources of sound
Nature of sound
Intensity, frequency and pitch
Relationship of length, tension and mass to pitch
Simple instruments
How vocal cords work
Sound travels through matter
Echoes
How the ear works (safety)
MAGNETISM / ELECTRICITY (19
min.)
Types of magnets
What is a magnet?
Testing materials
Making magnets
Interacting poles
The earth’s magnetic field
The compass
Field lines
The nature of electricity
Simple circuits
Testing materials
Electromagnets
Magnetism vs. electricity
Use of electricity and conservation
Safety |
