Nanotechnology

___________ are used to create stronger and lighter equipment such as bikes and tennis rackets.

• Macrotubes

• Carbon nanotubes

• Microtubes

• Nanowhiskers

Coffee was spilled on a customer's white cotton pants by a waiter. The coffee rolled off the pants and did not leave a stain.

What might we know about the material?

• The material is hydrophobic

• The material might be a nanoengineered product

• The physical properties of the material have been changed

• All of the above

• None of the above

What is nanotechnology?

• Study and manipulation of technology that is micro sized

• Study and manipulation of matter that is small but can still be seen by the human eyes

• Study and manipulation of matter at a scale of 1-100 nano meters

• Study and manipulation of matter that moves at a speed measured in nano seconds

An atom.......

• Is the smallest particle of an element that retains all the properties of that element.

• Is anything that has mass and takes up space.

• Has a positive charge

• Has a negative charge

Which of the following would be an example of a nanosize object?

• Bike

• Printed words in a textbook

• Grain of sand

• Chromosomes

If something is readily absorbing or dissolving in water, (having a liking for water), it would be considered to be....

• Hydrophobic

• Endothermic

• Exothermic

• Hydrophilic

We can use nanotechnology to alter physical properties of matter by arranging and rearranging what?

• Newton's laws

• Atoms

• LittleBits

• Nanowhiskers

There are _____________ nanometers in a meter.

• 10 million

• 1 billion

• 1000

• 100

If something is repellent and tends not to combine with water, or dissolve in water, it would be considered.....

• Hydrophobic

• Exothermic

• Endothermic

• Hydrophilic

Read the words in the picture.

These are some examples of......

• Physical change

• Chemical change

• Physical properties of matter

• All of the above