Elements
What is the chemical symbol for oxygen?
O
What happens when ice melts?
It turns into water
Name a solid.
Ice,rock,wood,etc.
Who created the first periodic table?
Dmitri Mendeleev
What gas do plants give us?
Oxygen
What element makes up most of the air we breathe?
Nitrogen
What gas is made when you mix vinegar and baking soda?
Carbon dioxide
Name a liquid.
Water,juice,milk,etc.
What scientist discovered oxygen?
Joseph Priestley
What keeps our bones strong?
Calcium
What metal is used in coins and is very shiny?
Silver
What happens when you burn wood?
It turns into ash and smoke
Name a gas.
Oxygen,air,steam,etc.
What is the only metal that is liquid at room temperature ?
Mercury
What makes soda fizzy?
Carbon dioxide
What gas do we need to live?
Oxygen
What is called when iron gets old and turns orange?
Rusting
What state of matter is fire?
Plasma
What scientist discovered radium and polonium?
Marie Curie
What do bees make that is sweet?
Honey
What element is found in all living things?
Carbon
What do we call a reaction that makes heat?
Exothermic
What is the process of water turning into gas?
Evaporation
What common food contains a radioactive element?
Bananas - they contain potassium-40!
What do we call the chemistry of food?
Food chemistry