Science Week 2013: Energy Presentation
Energy Idea
/Principles
/Activities
/What is energy / •Light
•Movement (Kinetic)
•Sound
•Heat
•Radiant
•Magnetic
•Gravity
•Electrical
•Chemical
•Nuclear / •candle flame
•rolling a pencil
•clapping
•candle flame
•sun (heat & light)
•simple/fridge magnet
•dropping a pencil
•turn on light
•light a match (show head)
•smoke detector sensor/xray
Energy transformation / •movement to sound
•electricity to light/heat
•magnetic to movement
•movement to light/heat
•electricity to sound/movement
•movement to electricity
•chemical to electricity
•gravity to movement
•sound to movement
•radiant energy to heat / •clapping
•light bulb,wire and battery
•magnet & compass
•lighting a match/candle
•stereo & hand over speaker when loud
•rub balloon on hair (static)
•light bulb,wire and battery
•jump off a chair/stool
•paper cup phones
•magnifying glass burning paper
•black bag filled with water left out in the sun/under bulb
Friction / •when things rub together there is friction
•friction slows movement down
•Aerodynamics
•where their is friction there is heat
•adding a lubricant reduces friction
•air resistance / •rub hands together/ strike a match
•turn a broom handle when someone else is holding handle
•twirl a sheet around & then twirl it around when it is taped up
•rub a stick against the concrete and then feel it
•try and take a ring off finger & then add oil or detergent/ hold hands tightly and pull then repeat with soapy hands
•simple parachute vs no parachute
Motion / •movement occurs in same direction as force
•inertia
•momentum
•weight vs speed
•weight and gravity / •push block
•run up hill/move with a heavy back pack
•run down hill
•skittles/boxes, marble, cricket ball
•different sized weights, bowl of flour
Simple machines / •levers
•wheels
•pulleys
•incline plane:- wedge
•incline plane:- height vs slope / •seesaw/utensils
•pencils, large weight
•2 broomsticks and rope pull apart
•wooden wedge, hammer, heavy books
•long ladder, wall
Flight / •lift and air movement
•Aerodynamics
•flight paths not straight
•artillery science
•hot air balloons / •paper planes
•blowing paper over gap between 2 books
•blunt vs aerodynamic flight distances
•throwing ball different angles
•mangonels
•teabag over candle flame
Chemical energy transformation / •chemical energy to electricity
•chemical energy into heat/light
•Rust into heat
•chemical energy into movement
•electrical energy into chemical energy / •lemons, wire (plenty of replacements as touching tongue)
•brazil nut, thermometer, tins,water
•small jar, cleaned steel wool (vinegar) and bowl of water
•ziplock bag, baking soda & vinegar
•9vt battery in weak vinegar solution