Please take note cards and copy these terms and definitions     Flexible: Describing the ability of something to bend easily without breaking Hardness: The condition of being hard and resistant to scratches and indentation Porous: Having very tiny holes or spaces that liquid and air can pass into or through Strength: The condition of being strong and able to withstand a great amount of force Data: Information that is observed or measured and recorded Evidence: A detail that supports a claim or helps prove an idea is true Thermal Conductivity: A material's ability to conduct heat