Science Mind Challenge Grade 5 3rd Quarter

What refers to the complete path that allows electricity to flow freely?

• battery

• circuit

• electricity

• magnet

Why do we need measuring device to measure length or distance?

• To have an accurate data

• To be familiar with the use of each tools

• To have experience using tools like ruler, meter stick, tape measure, etc.

• None of the above

Your mother wants to cook egg faster. Which of the following materials will she use?

• Aluminum pot

• Plastic pot

• Clay pot

• Rubber pot

Which of the following is a basic unit of distance?

• feet

• meter

• inch

• yard

What happens to light when it strikes transparent materials?

• The light is blocked.

• The light is absorbed.

• The light passes through.

• The light is both transmitted and absorbed.

Which of the following shows motion?

• pillows on bed

• a dog barking at strangers

• a boy watching TV

• a mother going to market

When does reflection happen?

• When light curves in a circular path

• When light bounces off a shiny, smooth surface

• When light spreads out as it passes through a gap

• When light bends as it moves through different materials

What is the difference between a conductor and an insulator?

• An insulator is durable, while a conductor is not.

• A conductor is durable, while an insulator is not.

• An insulator allows heat to flow through it easily while a conductor does not.

• A conductor allows heat to flow through it easily while an insulator does not.

Celine want to pick up more iron nails using her electro magnet, which do you think Celine need to do to increase the strength of her electromagnet?

• increasing the number of batteries and coils around the nail

• increasing the number of batteries or coils around the nail

• decreasing the number of batteries and coils around the nail

• decreasing the number of batteries or coils around the nail

All of the following statements are correct, EXCEPT one. Which one is it?

• Metals are non-ductile while non-metals are ductile.

• Metals are opaque while non-metals are transparent.

• Metals are lustrous while non-metals are not lustrous.

• Metals are good conductors of heat and electricity while non-metals are poor conductors of heat and electricity.