Smart Materials

Smart materials are materials that have properties which __________ in response to external stimuli.

• transform
• stay the same
• shrink
• change

One example of a smart material that changes its shape in response to temperature is __________.

• Heat-responsive composites
• Temperature memory polymers
• Shape memory alloys
• Thermal shape-shifters

__________ are materials that can change their color in response to environmental conditions like temperature or light.

• photoactive materials
• thermochromic materials
• photochromic materials
• light-sensitive materials

In smart materials, __________ materials generate an electrical charge when subjected to mechanical stress.

• Superconductive
• Piezoelectric
• Thermoelectric
• Ferroelectric

__________ is a type of smart material that can conduct electricity and also respond to changes in pH or ion concentration.

• Clever hydrogel
• Smart polymer
• Intelligent gel
• Electroactive polymer