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CE 13+ SCIENCE PHYSICS QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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CE 13+ SCIENCE PHYSICS QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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CE 13+ SCIENCE PHYSICS QUESTIONSAND ANSWERS WITH SOLUTIONS 2024
State the law of conservation of energy - ANSWER energy cannot be created or destroyed, only change
form
Energy is measured in - ANSWER joules (J)
What are non-renewable energy resources and examples? - ANSWER cannot be replaced once they are
all used up, i.e. coal, oil, gas, nuclear
What are renewable energy resources and examples? - ANSWER can be replaced, and will not run out,
i.e. wind, solar, biomass, water, geothermal
What are fossil fuels? - ANSWER the were formed millions of years ago from dead trees (coal) and sea
creatures (oil and gas)
Describe 3 problems of fossil fuels - ANSWER They release carbon dioxide, which is a greenhouse gas and
increases global warming.
They release sulfur dioxide and nitrogen oxides, which cause acid rain.
They release ash/soot can cause breathing problems
Name 10 different forms of energy - ANSWER kinetic
gravitational potential
internal/thermal
elastic potential
electrical
magnetic
chemical
light
sound
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