chemistry
ecology
electricity
space
100
mercury
What is Hg on the periodic table
100
A branch of science that studies the relationships between living things and the environment.
What is ecology
100
at least a source, a load, and wires that allow current to flow.
What is a electrical circuit
100
chunk of rock, metal or both that is shed from an asteroid or a comet
What is a meteoroid
200
on the bottom
where on the peridic table are the metals that are most reactive
200
biotic: living aboitic: non living
What is biotic and aboitic
200
A device that supplies electrical energy
What is a source
200
saturn
What planet has rings
300
anything that has mass and volume
define the term matter
300
an ecosystem that is based mostly or totally on land
What is a terresteral ecosystem
300
an older safty device that opens a circuit if the current gets to high. it must be replaced
What is a fuse
300
a rockey object in space that orbits the sun
What is an astroid
400
any feature of matter that can be observed or measured without changing the type of matter it is
What is physical property?
400
photosynthesis
What process do green plants use to make their own food
400
a unit of electrical energy usage
define the term watt
400
pluto
What planet isnt considered a planet anymore
500
describes how substances can change to produce new substances with new properties when they interact with other substances.
What is chemical properties?
500
it could mess up a food chain
What happens if an animal goes extinct
500
most of the electrical energy in canada is made by converting kinetic energy, into electrical energy
describe how most electrical energy is generated in canada
500
the galaxy that includes he solar system looks like a hazy white band in the night sky
What is the milky way
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