3rd Quarter Assessment

Which of the following materials can transfer electrical energy into heat or thermal energy?

• washing machine

• electricfan

• flat iron

• television

Why sound becomes louder as one get nearer to the source?

• The soundwave energy is higher near the source.

• The intensity is higher near the source.

• The amplitude of sound near the source is higher.

•   All mentioned.

What is the displacement of the person from point A to point C?

•      10 yards, left

• 10 yards, right

• 15 yards, left

•   15 yards, right

Which runner stopped for a rest?

• Albert

• Bob

• Charlie

• none

The illustration represents the speed of runners A, B and C during a competition. Who among them

                  will be announced as the winner?

•   runner C

• runner B

• runner A

• Both runners A and B

What do you call a disturbance that moves away from the source and carries energy with it?

•              wave               

• sound    

•     light   

•    vibrations

What type of heat transfer does not require any particles to transfer from the source to the receiver?

• conduction

• convection

• radiation

•           dispersion       

What type of motion graph illustrates the change of rate of motion and direction per unit of time?

•                          velocity – time graph

• distance – time graph                               

• acceleration- time graph

• speed – time graph

What characteristic is common on all color of light in a vacuum?

• wavelength

•    amplitude

• frequency

• speed                    

Which of the following situation does radiation occur?

•                               ironing clothes

• boiling water                                        

• cooking lechon belly                                

• frying fish