Match the words on the left with their definitions on the right. The tiles in the right-hand column are sortable. ANSWERS
- compound
- inflammable
- stalagmite
- malleable
- refract
- catalyst
- zenith
- repel
- celestial
- radiation
- make light change direction when it goes through at an angle
- the highest point that is reached by the Sun or the Moon in the sky
- a substance which is easily set on fire
- present an opposing force to, push back or away from by a force
- a metal or substance that is easy to press into different shapes
- the process in which energy is emitted as particles or waves
- a substance containing atoms from two or more elements
- relating to the sky or heaven
- a piece of rock pointing upwards from the floor of a cave
- a substance that makes a chemical reaction happen faster