ECOSYSTEM
An organism that makes its own food by photosynthesis
producer
example difference between producer and consumers and give an example of each
producer - makes own energy / food - plants
consumer - eats other organisms for energy/ food - wolf
change from liquid to solid
freezing
name the 3 states of matter
solid, liquid, gas
Name 3 examples of decomposers
mushrooms, fungi, worms, bacteria, flies
a network of interconnected food chains in an ecosystem
food web
when heat energy goes from a hot to a cold object...
heat transfer
what is kinetic energy?
movement of energy
explain difference between abiotic and biotic factors - give 1 example of each
abiotic - non-living: rock
biotic - living : animals
scientific term for a living being
organism
circular currents in a liquid or gas caused when the warmer liquid or gas rises, and the colder one flows downward
convection current
List if the shape is fixed or expands to the container...
Liquid -
Gas -
Solid-
Liquid - fixed
Gas - Expands to fit
give an example of a food chain with 4 organisms
flower -> ladybug -> grouse -> wolf
species
a substance that does not transfer heat easily.. and give 2 examples...
thermal insulator.. rubber, wool, plastic, wood,
what colour absorbs the most heat by radiation?
Give 2 EXAMPLES
black - black car, black shirt
Out of the following list; which are producers?
hare, squirrel, grasshopper, fox, owl, snake, frog, plants, frog, trees, mouse
name 4 different human activites that effect the environment
deforestation, flooding, forest fires/ wild fires, oil spills, fossil fuels, water pollution
a substance that lets heat move through easily.. give 2 examples...
thermal conductor - metal, copper, aluminum, nickel, nail, key,
Name the 3 modes of heat transfer and give example of each...
conduction - heat transfered by collisions from one molecule to the next.. open flame/fire
convection - heat is carried by currents in a gas or liquid... fan, boiling hot water.
radiation - when heat travels by radiation through a vacuum or transparent substance.. the sun