Match the items on the right to the items on the left.

Electroluminescent	??? material that has a property that changes as something else changes. can be changed back. material that changes colour in response to light levels. material that gives out light when electricity passes through it. material whose colour changes as the temperature changes
Photochromic	??? material that has a property that changes as something else changes. can be changed back. material that changes colour in response to light levels. material that gives out light when electricity passes through it. material whose colour changes as the temperature changes
Thermochromatic	??? material that has a property that changes as something else changes. can be changed back. material that changes colour in response to light levels. material that gives out light when electricity passes through it. material whose colour changes as the temperature changes
Smart material	??? material that has a property that changes as something else changes. can be changed back. material that changes colour in response to light levels. material that gives out light when electricity passes through it. material whose colour changes as the temperature changes
Reversible	??? material that has a property that changes as something else changes. can be changed back. material that changes colour in response to light levels. material that gives out light when electricity passes through it. material whose colour changes as the temperature changes