Heat and temp
structures and forces
ecosystem
planet earth
plants and food fibre
100

what is average energy

Tempurature (pretend that is spelt correctly)

100

name the four internal forces

compression,shear,torsion,tension

100

what are consumers decopmsere and consumers

producers make the food consumers eat them decomposers eat them when they die

100

what are the types of rocks 

igneous,metamorphic. sedimentary

100

Name the types of asexual breeding

grafting,cutting,layering

200

How is temp measured

Wiht a thermometer

200

name the structer types 

shell.frame,mass,

200

name the symbiosi relationships

mutalisum,paristism,commenislasim

200

what is mechanical chemical and biological control

mechancal- broken down by enviornment Biological- broken down by organism chemical- by chemical

200

what is a pesticide, herbicides and fungicide 

pesticides kill pest herbicdes kill weeds fungicide kill fungi

300

Who invented the first thermometer

gallilaeo

300

what is a margin of saftey

the idea a structer will last long enough so no one dies

300

what is secondary succesion

when more growth happens after and old ecosystem

300

name the layers of soil

top soil humus vegatative layer

300

What is osmosis and diffusion

diffusion is the movment of particles from a low conecntration to a low concentration untill even osmosis is that but with DPM

400

what are the two diffrent metals for a bimettalic strip

copper and iron

400

name examples rigid joints

fastners, ahdesive,melting,interlockig,ties

400

why are frogs a great repesentation of whats wrong in the ecosystem

they are sensitive to changee so they show what is wrong

400

how are metamorphic rocks are formed

when the parent rock goes under high pressure and heat changes the rock

400

what is the equation for photosyinthesis

water + carbo dixodie+ sun + c6 h6 012 aka [glucose] 

500

describe concevtion conduction and raidation

radiation has radiated wave conduction must hit something for the travel convection uses the heat rises pricneple

500

what is and example of a frame structure thats not a house

spider web

500

what is biological control

when they contol the natural predator of a spieaces 

500

when was earth made [say word for word]

about 4.6 billon year the chemical elements that constitute earth cooled enough to form to form a planet

500

whats bioaccumulation

It is when pollutants move up the food chain getting larger