ecology
name a producer
a non living organism that produces energy
what family is boron in
13
law of static charge
opposites attract
likes repel
witch planet is the closes in size to earth
venus
ecologist
a scientist who studies an organisms and the ecosystems
what is the role of a decomposer
breaking down dead organisms and waste
what are the three main safety rules
1 hair tied back
2 closed toed shoes
3 safety glasses
three way of charging an object
friction
contact
induction
name a dwarf planet
pluto
ceres
makemake
haumea
eris
chemist
a scientist who studies chemical reaction and properties.
what is an invasive species
non native
negative impacts
lack of predators
what is the difference from combustion and corrosion
combustion is fast
corrosion is a lot slower
what is the three prong used for on a plug
grounding
what are the two main types of movement that the earth undergoes
rotation
revalution
Electrical Engineering
designs and oversees the manufacturing of electrical systems
what's the difference between a opened and closed population
open: let people in
closed: don't let people in
witch physical property is defined as
is shiny
can be bent easily
can dissolve easy in other elements
lustre
malleability
solubility
4 renewable energys
hydroelectric
wind farms
solar
geothermal
the moon doesn't have as much______as earth
gravity
astronaut
astronaut explore space. the name astronaut comes from a greek word. It means star sailor.
what is mutualism, commensalism and parasitism
mutualism: both organisms benefit from the interaction
commensalism: one organism benefits from the interaction
parasitism: it benefits from the other organisms at the expense of the other organisms
5 physical properties
hardness
ductility
viscoity
density
4 non renewable energy
nuclear
oil
coal
natural gasses
the structure of the sun
photosphere
corona
chromosphere
convection zone
radiation zone
core
aerospace engineering
designing parts for spacecrafts and aircrafts