seperate science for gcse
What is the formula for calculating power?
P = W/t
Which of the following is a renewable energy source?
Solar power
What happens to the resistance of a wire when its length increases?
Increases
What type of wave is sound?
Longitudinal wave
What is the unit of electric current?
Ampere
Which of the following is not a state of matter?
Energy
What is the chemical symbol for helium?
He
What is the byproduct of photosynthesis?
Oxygen
Which of the following is an exothermic reaction?
Burning coal
What is the main function of the nucleus in a cell?
Cell division