Science Chapter 1 Form 1

• Science is a discipline that involves systematic observations and experiments of natural phenomena.
• Physics is the study of energy and its influence on matter
• Biology is the study of living things
• Chemistry is the study of matter and its reactions
• Astronomy is the study of celestial objects such as stars, planets, and galaxies
• Geology is the study of rocks, soil and minerals
• Meteorology is the study of weather and climate change
• Boiling tubes are used to heat small amounts of chemicals
• Test tubes are used to hold small amounts of chemicals
• Beakers, Conical flasks and Flat-bottom flasks are used to hold larger amounts of chemicals
• Measuring cylinders are used to measure volume of liquid
• Burette is used to measure volume of liquid accurately
• Pipette is used to accurately measure and transfer small volumes of liquid
• Tripod stands are used to support apparatus during heating
• Wire gauze are used to spread heat evenly during heating
• Filter funnels are used to filter or separate insoluble solids from mixtures
• Gas jars are used to contain gas
• Retort stand with clamps are used to hold or support apparatus
• Evaporating dishes are used to evaporate excess solvent
• Chemicals which irritate give out vapour or fumes that will hurt the eyes,nose and throat. Examples: Chloroform and Ammonia
• Radioactive materials that emit radioactive rays can cause cancer. Examples: Uranium and Plutonium
• Corrosive chemicals will burn your skin. Examples: Concentrated acid and Alkali
• Chemical which contains poison is poisonous. Examples: Mercury and Chlorine
• Use this chemical according to the instructions CAREFULLY since these chemicals are explosive. Examples: Hydrogen gas and Butane gas
• Keep this chemical away from fire or heat sources since these chemicals easily vaporizes and is flammable. Examples: Alcohol and Petrol