A candle needs air to keep burning., t, f, When a candle burns, the wax melts because of heat., t, f, The candle goes out when there is no oxygen., t, f, Air contains oxygen., t, f, Combustion produces heat and light, t, f

Rangliste

Visuel stil

Indstillinger

Skift skabelon

Gendan automatisk gemt: ?