入實驗室撳緊急掣
Levels Involved:
F1
Purpose:
Strengthen students’ experiment technique
Enhance the ability of applying method of scientific investigation
Content:
First Term:
Laboratory safety
Steps of scientific investigation
Technique of obtaining data and using laboratory apparatus
Measuring length, volume, mass, temperature, time
Transferring solutions
Mixing solution
Using a Bunsen burner
Experiment includes
Measuring temperatures as ice changes to steam
Investigating the factors affecting the rate of evaporation
Classifying substances as soluble or insoluble
Investigating the factors affecting the rate of dissolving
Investigating the effect of temperature on solubility
Process of water purification
Second Term:
Identifying vascular tissues by observing uptake of food colouring solution
Observing different kinds of seeds
Using a microscope
Observing onion skin cells with a microscope
Third Term:
Simple energy conversions
Comparing the energy stored in different stretched rubber bands
Studying the conduction of heat in solids
Comparing the rate of conduction of heat in metals and non-metals
Comparing the rate of conduction of heat between different metasl
Studying the conduction of heat in liquid and a gas
Absorption of radiation by different surfaces
Emission of radiation by different surfaces