quick quiz y3 light

7/25/2019 Quick Quiz Y3 Light

1/8

Name: ___________________________________ Date:____________

Q1. Lamp

(a) At night, Ben switches on the lamp in his room.

There is a shadow of the chair on the floor.

Explain how the shadow is formed from the light of the lamp.

......................................................................................................................

......................................................................................................................1 mark

(b) Ben looks at the window, and sees a reflection of the lamp.

Wh is there a reflection of the lamp in the window!

Tick ONEbox.

There is a reflection of the lamp in the window beca"se the window is . . .

shin hard

strong solid

1 mark

(c) #raw TWOarrowheads on the lines in the pict"re below to show how light tra$els to let Ben see the

Science Quick Quiz

Year 3 Light


2/8

reflection of the lamp.

1 mark

Q2.

Torch light


3/8

(a)

%anna is in$estigating which materials are good reflectors of light.%he shines a torch on different ob&ects from a distance of ' cm.

%he looks at the ob&ects to see how well each reflects light.

Tick TWO boxes to show which ob&ects are the best reflectors.

Paper book Metal spoon Wooden spoon

Woolly hat lass !ar "ompact disc

' marks

(b) Tick ONE box to show which of %annas ob&ects does not make a dark shadow.


4/8

metal spoon wooden spoon

wooll hat glass &ar

1 mark

(c) The pict"re below shows %anna looking at the torch light reflected in a mirror.

#raw TWO arro#s to show the direction the light m"st tra$el for %anna to see light fromthe torch in the mirror.

' marks

Q$. %emote control

(a) *"th wants to find o"t how well the remote control t"rns on her T+ when differentmaterials are p"t in front of it.


5/8

*"th holds writing paper in front of the remote control. The T+ still t"rns on.

*"th repeats the test with different materials. The table below shows her res"lts.

Material &istance 'rom T( #hen

remote does not #ork )steps*

writing paper

clear plastic bag '

tracing paper -

foil

book

omplete the graph to show the res"lts for the tracing paper.

1 mark

(b) *"ths brother sas she sho"ld not test the book as it makes the test "nfair.

Wh does the book make her test "nfair!

.......................................................................................................................1 mark


6/8

(c) *"ths brother repeats the in$estigation to check the res"lts. /e takes fewer steps backfor each material before the T+ does not t"rn on.

Tick ONEbox to explain wh *"ths brother takes fewer steps back before the T+ doesnot t"rn on.

/e presses theremote control harder

he "ses smaller pieces ofeach material

his steps are biggerthe batteries in theremote control are newer

1 mark

(d) *"th co"ld impro$e her in$estigation b getting more acc"rate res"lts.

#escribe how *"th co"ld get more acc"rate res"lts.

.......................................................................................................................1 mark

(e) *"th sees a pattern in her res"lts. %he states 0 res"lts s"ggest that the remote control"ses light to t"rn on the T+.

#escribe the e$idence in *"ths table of res"lts that s"pports her statement.

.......................................................................................................................

.......................................................................................................................1 mark

Q+. ,hado#s

(a) 2"c makes a shadow of a p"ppet on a screen.%he in$estigates how changing the distance of the light from the p"ppet affects the si3e ofthe shadow.


7/8

What e4"ipment sho"ld she "se to meas"re the distance of the light from the p"ppet!

......................................................................................................................1 mark

(b) What "nit of meas"rement sho"ld she "se to meas"re the distance of the light from thep"ppet!

Tick ONEbox.

g 5 cm km 61 mark

(c) What factor sho"ld she change as she carries o"t her test!

Tick ONEbox.

where the children sit colo"r of the screen

brightness of the light position of the light

position of the screen the si3e of the p"ppet

1 mark

(d) What factor sho"ld she meas"re to collect her res"lts!

Tick ONEbox.

The height of the...


8/8

light shadow table

p"ppet screen reflection

1 mark

(e) What factors m"st she keep the same as she carries o"t her test!

Tick T-%EEboxes.

where the children sit colo"r of the screen

position of the p"ppet position of the light

position of the screen si3e of the p"ppet

' marks

Assessment SummaryTotal Mark /22

Below ExpectationsBelow 8 marksExpectations

Between 8-16 marksAo!e Expectations

Ao!e 16 marks

quick quiz y3 light

Documents