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WorksheetsScience Quarter 3 2nd Summative Test
Total questions: 20
Worksheet time: 19mins
Which of the following materials blocks completely the passage of light?
Light is blocked in a/an _________ materials that does not allow light to pass through them, creating a shadow of the material It reflects light.
Opaque
Optic
Translucent
Transparent
What do you call the bending of light?
reflection
refraction
translucent
transmission
Which among the following materials absorb light?
An example of material that blocks completely the passage of light
Cardboard
Plywood
Rock
All of the above
Why do people enjoy the shade of the tree during summer?
It absorbs light
It blocks light
It reflects light
It transmit light
You have plants in your kitchen. They need lots of light. What type of windows should you have installed that will be best for your indoor garden?
No windows, just walls
opaque material
translucent material
transparent material
If you were building a house, what type of material would be best to cover your windows with that would help keep the sun out of your room so you can sleep?
glass material
opaque material
translucent material
transparent material
You are walking one afternoon to go to your friend’s house. You are aware that exposure to sunlight can lead to certain diseases. What material can you use in
order to block the sunlight?
Current electricity flows through
wires
string
rubber
plastic
How does a switch work?
It opens and closes the circuit
It makes the light bulb brighter
It provides the energy for the circuit.
To complete the circuit, a wire should be placed from —
Why is a battery important in an electrical circuit?
As a source of energy.
As a path for electricity to flow through.
As a connector to connect all parts of a circuit.
Why electrical wiring usually are covered with a layer of plastic?
To make it look pretty
To help electricity flow along the wire
To make it safe
To add more energy
The diagram shows a complete circuit but the bulb did not light up. Why?
The plastic spoon is an insulator of electricity and prevented electric current from flowing through the circuit.
The plastic spoon is not connected properly and prevented electric current from flowing through the circuit.
The plastic spoon is a conductor of electricity and prevented electric current from flowing through the circuit.
