Smart Materials

What is a smart material?

• A material that does not display a physical change in response to an external stimuli.

• A material that display’s a physical change in response to an external stimuli.

• A material that display’s a continuous physical changing state in response to an external stimuli.

• A material that display’s psychological changes in response to an external stimuli.

Why have smart materials been developed?

• Developments in Science and Engineering.

• Developments in Science and English.

• Developments in Science and Medicine.

• Developments in Science and Geography.

What is the smart material SMA?

• Shape Memory Aluminum

• Shape Memory Araldite

• Shape Memory Alloy

• Shape Memory Acrylic

Select the two correct smart materials?

• Polymorph and Thermochromic Ink

• Polygon and Thermochromic Ink

• Polymorph and Disappearing Ink

• Polyester and Thermochromic Ink

What happens to SMA when heated above 90 degrees centigrade?

• It changes shape

• It returns to its original shape

• It returns to its original smell

• It returns to its original size

What are hydrochromic inks used for?

• Moisture testers

• Heat testers

• Colour testers

• Weight testers

What are thermochromic inks?

• They change colour in response to changes in temperature

• They change colour in response to changes in light

• They change colour in response to changes in moisture

• They change colour in response to changes in weight

What are aroma pigments commonly used for?

• Forehead thermometers

• Perfume samples

• Umbrellas

• Moisture testers

What is polymorph?

• A material that can be reshaped once.

• A material that can't be reshaped.

• A material that can be shaped and reshaped any number of times.

• A material that can be reshaped twice.

Which smart material is used in the manufacture of sunglasses?

• Hydrochromic Ink

• Aroma Pigments

• Thermochromic Ink

• Photochromic Ink