MIXTURE
ELECTRICITY
?
LIGHT & DARK
2

how to separate iron nail and sand

Magnetic attraction

2

give 2 component in electricity

Switch, Wire

2

how observing

By seeing,smelling, tasting, touching and listening

2

transparent

light can pass through

4

how to separate decay wood and sand

Hand Picking

4

if no battery what happen to circuit

Circuit not complete, Bulb will not light up.

4

give 2 animal carnivore

Tiger & Lion

4

opaque

light cannot pass through

6

give 2 material not dissolve

Stone and Marble

6

give 2 conductor

Key, Metal Ruler

6

plant needs__________ to survive

water to survive

6

give 2 sources of light

Sun, Fire

8

give 3 material dissolve in water

Sugar, Salt, Flour

8

give 2 insulator

Eraser, Pencil

8

manipulated variable

the changed

8

how to make shadow smaller

Object far from the light

10

give 2 way can dissolve faster

Using Hot Water, Being stirred

10

Give a reason if bulb will not light up.

Bulb blow up, wire not connect properly.

10

responding variable

to observed

10

how to make shadow bigger

Object near to screen

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