True
1 Light is important to plants only
2 we can see an object only when it gives off light on its own
3 the shadow of an object always has the same shapes as the object
4 the shadow of an object is always the same size as the object
5 the firefly and ligtning are natural sources of light
False
6 shadows are formed as light travels in straight lines
7 object made of ceramics and wood do not allow light to pass
throught
8 the nearer an object to a light source, the bigger the shadow
formed
9 Sun is the most important human made light source
10 when there is no light it is dark
11 a shadow is a dark area that forms when a object blocks the path
of light from a light source
12objects that gives out light are called shadow of light
Besides the sun name one other natural source of light?__________________
Write down two human made light source?_____________________________
Why it is dark inside a closed box?____________________________________
Why does a cup form a shadow?
What can you say about the shape of the object and the shapes of its shadow?
Circuit A? Will it light up why?
Circuit B? Will it light up why?
Circuit C? Will it light up why?
4) will the bulb light up?
5) if the switch is turned to the on position, will the bulb light up?
6) Explain Why?
True
1)the parts of a circuit are called the components
2) touching a switch with a wet hand is very dangerous
3) when a circuit is complete, the bulb to light up
4) when the switch is on, the electricity does not flow
5) an electric circuit is the path that electricity follow
6) a circuit with break , the bulb to light up
7) a switch is used to open and close a circuit
8) the battery, bulb , wire and switches are components of circuit
9) when the switch is off , the electricity flows and the bulb lights up
10) when the switch is on, the circuit is broken
False