force - something that can push or pull, energy - the ability to do work, experiment - practical way of testing a hypothesis, variable - something that can be changed, measured or kept the same in an experiment, element - a substance made of one type of atom, compound - a substance made of more than one type of atom,

Papan Peringkat

Gaya visual

Pilihan

Berganti templat

Pulihkan simpan otomatis: ?