Sound travels faster through water or air?
Ice sinks or floats in water?
Electric current is typically measured in which units?
What is the first element on the periodic table?
What is the centre of an atom called?
What orbits around the nucleus of an atom?
Metals expand when heated and do what when cooled?
Electric power is typically measured in what units?
A proton carries a positive or negative charge?
The process of plants using energy from sunlight to turn carbon dioxide into food is known as what?
Answers
Water
It floats
Amperes
Hydrogen
Nucleus
Electrons
Contract
Watts
A positive charge
Photosynthesis
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