how to separate iron nail and sand
Magnetic attraction
give 2 component in electricity
Switch, Wire
how observing
By seeing,smelling, tasting, touching and listening
transparent
light can pass through
how to separate decay wood and sand
Hand Picking
if no battery what happen to circuit
Circuit not complete, Bulb will not light up.
give 2 animal carnivore
Tiger & Lion
opaque
light cannot pass through
give 2 material not dissolve
Stone and Marble
give 2 conductor
Key, Metal Ruler
plant needs__________ to survive
water to survive
give 2 sources of light
Sun, Fire
give 3 material dissolve in water
Sugar, Salt, Flour
give 2 insulator
Eraser, Pencil
manipulated variable
the changed
how to make shadow smaller
Object far from the light
give 2 way can dissolve faster
Using Hot Water, Being stirred
Give a reason if bulb will not light up.
Bulb blow up, wire not connect properly.
responding variable
to observed
how to make shadow bigger
Object near to screen