science grade 6 term 3

What is the process called when heat is transferred from one object to another?

• 
  Conduction

• Convection

• Transmission

• Radiation

Which of the following is the best conductor of heat?

• 
  Aluminum

• 
  

  Gold

• Silver

• Copper

What type of materials are known as electrical conductors?

• 
  Nonmetals

• 
  

  Insulators

• Plastics

• Metals

Which of the following can conduct electricity?

• 
  Wood

• 
  

  Tap water

• Distilled water

• Pure water

What is the best hygiene practice to stop the spread of diseases?

• Wearing masks

  
  

• Using hand sanitizer

  
  

• Wearing gloves

  
  

• Handwashing

  
  

What is the term for the spreading of microbes?

• 
  Infection

• 
  

  Transmission

• Convection

• Conduction

Who carried out an experiment that proved lightning and electric sparks were the same?

• 
  Benjamin Franklin

• 
  

  Thomas Edison

• Albert Einstein

• Nikola Tesla

What is the melting point of ice?

• 
  100°C

• 
  

  0°C

• 25°C

• 50°C

What happens at the boiling point of a liquid?

• It freezes

• It evaporates

• It solidifies

• It changes to gas

What is the freezing point of most substances?

• 
  Always 0°C

• 
  

  Same as melting point

• Always 25°C

• 
  

  Always 100°C