Waves topic revision pack

Homework- due thursday 28th Feb

1. watch Wonders of life expanding universe

http://www.bbc.co.uk/iplayer/episode/b01qm913/Wonders_of_Life_Expanding_Universe/

2. complete & print out BBC bitesize tests

a) http://www.bbc.co.uk/apps/ifl/schools/gcsebitesize/science/quizengine?quiz=aqa_generalwavestest&templateStyle=science

b) http://www.bbc.co.uk/apps/ifl/schools/gcsebitesize/science/quizengine?quiz=aqa_soundandlighttest&templateStyle=science

c) http://www.bbc.co.uk/apps/ifl/schools/gcsebitesize/science/quizengine?quiz=aqa_redshifttest&templateStyle=science

If you do really bad- read through the activities and notes

3. complete the big bang questions

Kerboodle!

Please log on to your Kerboodle account!

you should start doing revision now to make sure you are ready for the progress test and for the summer exam.

To log on:

Username: firstnamesurname

(no space or capitals e.g. johnsmith)

Password: firstnamesurnametutorgroup

(no space & the tutor letter must be capital e.g. johnsmithK-01)

Ask your tutor what your tutor group is and if you are still having problems email me (rti@cheney.oxon.sch.uk) and I can send you your details.


On kerboodle there is an animation for you to watch and an interactive activity.
I suggest you also start reading the text book and completing some of the summary activities, they are very similar to test questions and will really help.

Half term homework

Measuring sound worksheet

calculate the speed of the sound through the material
plot a bar chart of your results
answer the questions

Bring in:
-the sheet with calculations
-your graph
-your answers to the questions (either completed on the sheet or on the back of the graph)

Due Thursday 21st Feb P3

Questions

1    The variable you changed (independent) was the material. What was the dependent variable that also changed? State whether it was categoric or continuous.

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2    Data loggers were used to obtain the times. Why was it not appropriate to use stopwatches?

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3    The tests were not repeated. Why is this not good in science practicals?                                 

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4    The resolution of a measuring device is the smallest measurable change in the quantity being measured. What was the resolution of the sound sensors and data logger?

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5    One of your tasks is to draw a bar chart of the results. Why is this better than drawing a line graph for these results?

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6    Looking at your bar chart, can you write a conclusion about the speed of sound in different materials? Remember sound needs to travel through particles.

Try to compare the speed of sound with closeness of particles. Use words like closer than; faster than; more spaced out.

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Homework- 5/2/13

Watch the video on BBC iplayer!

http://www.bbc.co.uk/iplayer/episode/b01qm913/Wonders_of_Life_Expanding_Universe/

You can download it to portable devices and media player so you can watch it at home, or you can watch it straight on iplayer.

It is a documentary by Prof Brian Cox about the expansion of the universe and the wonders of life.

Make some notes about the documentary that you can bring to class.