What is an ecosystem?
a place where biotic and abiotic things live and interact
what is the cellular respiration formula?
o2+gluecose=co2+h20+energy
What is temperature?
the average kinetic energy in a substance
define tension
force that pulls a structure
what are the 3 types of rocks?
Igneous
metamorphic
sedamentary
Define biotic and abiotic factors
Biotic- living things
Abiotic- non living things
How do we use plants for foods and firbre?
clothing,food,shelter,furniture
what is the process of a solid turning into a liquid?
Melting
what are 3 types of bridges?
Arch bridge
Trust bridge
Suspension Bridge
What is the Richter scale?
Scale that measures how strong an earthquake is
why are producers important in an ecosystem and what would happen without them?
They produce food for herbivores, and herbivores wouldn't have food without them!
what are the parts of a seed?
membrane, embryo, seed coat
What is conduction?
the transfer of heat particles touching
whats an example of a shell structure?
Tennis ball
what are the layers of the earth?
inner core
outer core
mantle
crust
what happens if you get rid of the primary predator in a food pyramid?
Everyone would gradually die
How do some plants attract pollinators?
Color, Smell, and beauty!
what is an insulator and a conductor?
insulator- stops the flow of heat
conductor- something that allows heat to transfer through
what are the 3 forces that are on a structure?
tension
compression
shear
What are the geological eras?
Mesozoic
cenozoic
preclambis
Whats an ethnobotanist!?
A scientist who studies how aboriginal people used plants
How does irrigation degrade and help improve the soil?
benefit- plant crops in dry areas
disadvantage- saturates the soil and causes alcllide to form!
Whats the societal costs of fossil fuels?
societal costs now fossil fuels affect society EX. Fossil fuels pollutions making in hard to breathe.
What is an example of a compression, a tension, and a shear?
shear- scissors
compression- couch
tension-rope
What is the theory of continental drift?
It's a theory that the continents used to be together but drifted away because of tectonic plates!