what is an orbit?
its a path of a planet that moves around the sun
what is a force? give an example of a force
a push or pull upon an object. Ex:internal forces,magnetic force etc
what is matter?
Matter is everything and it is made out of particles
what is an ecosystem?
it is an area with many different living organisms
what is a renewable energy?
it is an energy that can be restored and is safe for our planet
T/F: mercury is the closest planet to the sun
TRUEEEEEEEEEEEE :D
what is plasticity?
a force that changes it's shape when you bend something
what are the 3 states of matter?
Solid,Liquid,Gas
what is the difference between abiotic and biotic?
abiotic is non living and biotic is living
why is it bad to use a non renewable energy?
It could cause climate change due to greenhouse gases
where is the asteroid belt located?
between mars and jupiter
if we did not have friction,what would happen?
We would slip because we would have no balance due to it being slippery.
when matter is heated, what happens?
the particles move faster
give three examples of big ecosystems
Ex: forest,desert,ocean,north pole
what are some pro and cons for nuclear energy? give at least 1 for each
pro: it is strong con:is can produce nuclear waste
What process does the sun go through to emit it's own light?
Nuclear fusion
a student was feeling stressed and squished a ball. The ball went back to it's shape later on. This is a example of...
elasticity
what is a phase change?
when matter turns into different things. Like a solid,liquid or gas
what would happen if the herbivores lost all their food due to climate change?
the food chain would collapse and the herbivores will soon die. The carnivores will die too because they won't have any meat to eat
list at least 3 examples on how energy is powering your daily lives.
heating and cooling, transportation, cooking,lighting
what is a composition of a planet?
it is what it is made out of
what is the difference between plasticity and elasticity?
plasticity: if you move it or bend it, it will stay in that shape forever
elasticity: if u move it or bend it, it will go back into it's original shape
what happens to lakes when is it very cold?
the top layer of the lakes will freeze causing the fishes to have a protective layer above them.
how do wetlands contain greenhouse gases in them?
They have greenhouse gases in the soil and the vegitation like the plants beside the water
how could you save energy?
maybe you could unplug the charger when you're done using it or turn off the light when you leave the room