Chemistry
Ecology
Space
Electricity
Mixed
100
Why does ice float on water
Beause it`s solid form is less dense then it`s liquid form
100
Is heat a biotic or abiotic factor
abiotic
100
the beginning of a new star
A nebula
100
The energy provided by the flow of protons in an electric circuit
Electrical Energy
100
What is the only liquid a fish can live in?
Water
200
An abbrevation for a chemical element
A symbol
200
What is the region of earth where life exists?
The biosphere
200
The brightness of the stars from earth
apparent magnitude
200
A flow of electrons through an electric circuit
Direct Current
200
No longer on earth as far as we know
Extinct
300
A pure substance that cannot be broken down
An element
300
A star near the end of it`s life cycle
A Red Giant
300
A resource that cannot be replaced as soon as it is used
non-renewable resource
300
What was J.J. Thompsons model called?
Plum Pudding
400
Lithium is on this group in the periodic table of elements
Alkai Metals
400
What gas do plants give off as waste?
Oxygen
400
Small dim stars created by the remainder of the red giant
A White Dwarf
400
Any biological material plants and animals
Biomass
400
A dense quantity of matter in space which no matter/light can escape
A black hole
500
A row on the preiodic table is called?
A period
500
Which organism gives off carbon dioxide as waste in an aquarium
A fish
500
An explosion that happens at the end of a giant star`s life cycle
Supernova
500
A rate at which electrical energy is used/produced
Electrical Energy
500
A rate at which electrical energy is produced/used
Electrical Power
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