reviision
what id a displacemnet reaction?
occurs when a more reactuve element displaced, or pushed out a less reactive elemenet from a compound that congains the less rewctive elements
how wre high reactivity metals extracted from their ores?
Electrolyic reducution
how wre high reactive metals extracted from their ores
ELECTROLYIC REDUCTIONS
nautral satalitte?
the moon
which variabls did yiu have to keep the same in the meteors asseesment?
size of your golf ball
force used to drop gold ball
same sand
same amount of sand
same persin dropping gold ball
what are the four chambers of the heart called?
left atrium
right atrium
left ventricle
right ventricle
what is a satelitr?
a moon, planet or machine that orbits a planet or star
impacts of excercise on breathing?
breathe more
breathing rate increases, menaing more oxygen can get into your body which means more respiration can take place to release more energy
name one low mediym and high reactivity metal
pottasium
magnesium
gold
planets in orderfrom sun
mercury
venus
earth
mars
jupiter
saturn
uranus
neptune
what is oxidation?
loss of electrons, gain of ocygen or loss of hydrogen
what is reduction
gain of rlectrons in the reaction including substance gains electrons
3 uses if sattelites
weather
communication
earth observation
whixh oarts of the body does oxygen gave to oass thru to get into the blood stream
Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body