Unit Culmination HTWW

Which of these is not a material?

• Wood

• Plastic

• Chair

• Glass

Which of these is not a physical property?

• Heat Conductivity

• Ductility

• Malleability

• Hardness

What is one property of gold?

• Gold can tarnish

• Gold is malleable

• All of the above

• None of the above

Silver, when it tarnishes, it's a chemical change.

• True

• False

When the particles are very loosely free, which state is that called?

• Solid

• Liquid

• Gas

• Atoms

Which of these is a negative impact of mining mica?

• It includes cutting trees

• It includes child labour

• It includes pollution to remove the mica from the grounds

• All of these

Which of the statements below are true?

• Vinegar is an acid

• Vinegar is a base

What is ductility?

• The ability to hammer the material into thin sheets

• The ability to be hard

• The ability of a material to resume it same shape after being stretched

• The ability to be drawn the material into wires

In India, tell me one place that you can find mica.

• Maharastra

• Jharkhand

• Gujrat

• Tamil Nadu

Bonus: (Prior Knowledge)- Hydrogen is heavier than air.

• True

• False