General Science Notes

nucleus

DNA / control

mitochondria

usable energy

ribosomes

protiens

photosynthesis

uses light, water, CO₂ to produce sugar and oxygen

repiration

releases usable energy from glucose

red blood cells

cary oxygenwh

white blood cells

fight infections

platelets

clot the blood

small intestine

absorbs most nutrients during digestion

large intestine

absorbs water during digestion

protons

positive charge

neutrons

neutral

electrons

negative charge

atomic number

number of protons

destiny

mass ÷ volume

solid

fixed shape / volume

liquid

fixed volume in container

gas

neither fixed

force

= mass x acceleration

kinetic energy

in motion

potential energy

stored energy

conduction

contact heat transferco

convection

moving fluid / gas heat transfer

radiation

electromagnetic wave

igneous rock

cooled molten rock

sedimentary rock

deposited sediments

metamorphic

changed by heat / pressure

trophosphere weather

where most weather occurs

stratosphere

ozone layer

sun

star at the center of the solar system

jupter

largest planet in solar system

light year

measurement of distance

producers

make / produce energy

consumers

eat organisms

decompossers

recycle / break down nutrients

food web

arrows in chart show the direction in which energy moves

independent variable

changed in the scientific method

dependent variable

measured in the scientific method

measurement accuracy

closeness to true value

measurement precision

repeatability

weathering

breaks rocks down

erosion

transports rocks / particles

magma

molten rock underground

lava

molten rock running at the surface

mass

amount of matter

weight

gravitational force

theory

well supported scientific explanation (not a simple guees)

arteries

carry blood away from the heart

veins

carry blood towards the heart

waxxing moon

visible / illuminated part of is growing

waning moon

visible / illuminated part of is shrinking

mutualism

benefits both organism

paratism

benefits one as the host is harmed

in a closed system …

mass is conserved during ordinary chemical reaction