y9chemistry

Y9 Chemistry

Links to interesting sites

Generalities

Balancing Equations

Explanation and online exercises

More exercises on balancing

Compound names and Formulas exercise

Periodic Table

Reactions of alkali metals

Flame tests

Physical properties of halogens

Noble gases - some properties

Chemical calculations

Extra exercises

Explanation on exercise moles to mass

Acids and Bases

On line lesson on acids, bases and salts

Whiteboard presentation - acids, bases and salts

Exercise on Acids, alkalis and pH

Exercise on Acids, alkalis and indicators

Exercise on Acids, alkalis and salts

Exercise on salts

Indicators- you can see the change in colour with pH of different indicators (habilitar macros y mover el cursor de pH)

Notes on this topic by Dr. brown

Color of hydrangeas affected by pH

Labs

Simulated titration

Testing acids and bases

Titration

Reactions of acids with metals and carbonates

Precipitating salts

Worksheets

Acids and bases

Acids reacting with metals

neutralisation reactions

making salts

Rates of reaction

Rates of reaction powerpoint

Collision theory simulation

Worksheets:

Rates of reaction

Measuring rates of reaction

Collision theory

Labs:

Effect of concentration

Effect of surface area

Effect of catalysts

Simulation e chalk

Identification of gases and ions

Labs:

Identification of gases

Identification of cations

Identification of anions

Worksheets

Identification of gases

Identification of cations

Identification of anions

Water

water treatment process

Proceso tratamiento aysa

Oils and Polymers

On line lesson on oils, hydrocarbons and polymers

Whiteboard presentation - useful organic compounds

Whiteboard presentation - alkanes and alkenes

Worksheets:

fractional distillation

burning hydrocarbons

using crude oil as fuel

alkanes and alkenes

cracking

Labs:

Products of combustion

fractional distillation of crude oil

cracking

Test for gases and ions

Test for gases

Test for cations

Test for anions

Concentration demo

Practice Exercises on Moles

Revision Acids and Bases

Revision Summary DPT (Acids and bases, moles and water)

Interactive presentation (acids and bases)

Practice Exercises on Acids and Bases