electricity
electrons
many food chains in one area
what is a simple machine?
any basic tool that you can apply force to to work
what is matter?
anything that takes up space
what does a grasshopper eat?
grass
what do opposite charges do?
attract one another
plants produce these 2 things during photosynthesis
oxygen and sugar
what is an incline plane?
a ramp or something on a slope
what is mass?
it is how much matter is in an object
what does a frog eat?
grasshopper
what do the same charge do?
repel each other
what is a producer?
makes its own food
why are these machines good for this time period?
easy to get and are everywhere
what is volume?
the size of a 3D object
what does a snake eat?
frog
what is a proton and electron?
proton is positively charged and electron is negatively charged
what is a consumer?
uses what the producer produces to survive
what is a screw used for?
to hold things together
what is a non-renewable resource?
something that is used faster than it can be replaced
what does a hawk eat?
snake
what are 5 renewable energy sources?
wind, water, tidal, solar, geothermal
where is chlorophyll?
in plants
what is a lever?
a bar used on an angle to so that one end can lift something up as pressure is put on the other end
what is a renewable resource?
what does a lion eat?
fox