Answers to AQA GCSE Speed
Practice Questions
1. Define the term Speed
Speed is the distance (metres) an object travels in one second.
2.Explain the difference between uniform and non uniform speed.
Uniform speed means a constant speed. Non uniform speed means that the speed varies.
3. Draw a bar chart to compared the different speeds that allows a comparison for walking, running, cycling, running, car, train and bus
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JJ Thomson and Plum pudding model
Ernest Rutherford and the Nuclear Model
Niels Bohr changing the Nuclear Model
Discovering the Proton and Neutron
Measuring radiation from radioactivity
Radiation types and properties
Random nature of radioactive decay
Radioactive contamination or irradiation
Hazards of contamination and irradiation
Studies on the effects of radiation on humans
Different half lives of radioactive isotopes
Nuclear Fission Chain Reaction
Writing nuclear fission equations