What is the meaning of this hazard symbol?
sc-5 sb-2-Introduction to Scienceimg_no 507.jpg
  • Poisonous
  • Radioactive
  • Flammable
  • Explosive
Choose the correct match of measuring tools to measure the physical quantities.
  • Stopwatch - period of oscillations of pendulum
  • Spring balance - mass of a book
  • Thermometer - length of a table
  • Triple beam balance - weight of an beaker
Choose the THIRD step involved in a scientific investigation.
  • Analysing and interpreting data
  • Constructing a hypothesis
  • Controlling the variable
  • Collecting data
Choose the correct formula for density.
  • Density= Volume x Mass
  • Density = Weight/ Volume
  • Density = Mass/ Volume
  • Density = Volume x Weight
Choose the LAST step in the scientific investigation.
  • Making a conclusion
  • Write a report
  • Identify a problem
  • Collecting data
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