Yr 9 Term TwoOlympic Selection
Homework Assignment2Due:…… / …… / 20……
This sheet is to be placed in your homework folder and handed in for marking on the due date. Keep all completed homework sheets in your homework folder as they will make an excellent study resource. Credit will be given for completed homework sheets.
Knowledge
You should be able to find answers to these questions by reviewing your Science notebook. These are the style of questions that you can expect in the Knowledge section of your term test.
1. Complete the table following by placing these items in the correct column.
Heart, eye, respiratory system, muscle, skin cell, hair,
stomach, skeleton,Blood cell,vein,nerve
Cell / Tissue / Organ / System2.Name each of the parts of the Respiratory system described below.
(a)tube from the mouth delivering air to the lungs
…………………………………………………………………......
(b)the trachea splits to form two………………………………
(c)each bronchus splits to form smaller………………………
(d)the lung is made up of millions of air sacs called………………
3.Match the part of the heart with its function.
Part / Function No. / Function DescriptionLeft Ventricle / 1)Receives blood back from the lungs after oxygenation
Left Atrium / 2)Pumps blood out of the heart to the lungs.
Right Ventricle / 3)Receives blood low in oxygen back from the body.
Right Atrium / 4)Pumps blood out into the body.
4.Identify the process of using oxygen to release the energy from food is called ……………………… Is this the same as breathing?......
5.Clearly explain the difference between an organelle and a cell.
………………………………………………………………………………
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6.The central nervous system consists of the ………………………….. and the …………………………………………………………………
7The …………………… nervous system consists of all the nerves etc (not the brain and the spinal cord).
8.A person blinks when something is brought quickly towards their eyes.
State the correct name for this type of response.…………………………………………………
State the name of the receptor in this example.…………………………………………………
Processing Data and Information
These questions are about looking at information and trying to work out something new from it. All the information that you need is in the question. It is not likely that you will find the answers to these questions in your Science notebook.
- Troy and Dawn are conducting an experiment to monitor the changes in breathing rates as a response to exercise. The following data was collected.
Name / Before exercise rate of breathing per minute / After exercise rate of breathing per minute
Leslie / 8 / 25
Boyd / 11 / 30
Kylie / 9 / 29
Adam / 10 / 40
Ryan / 11 / 28
Sam / 10 / 25
System / Inputs / Outputs
Parent’s signature…………………………………Date:…… / …… / 20 ……
Teacher’s signature…………………………………Date:…… / …… / 20 ……
(a)Produce an appropriate graph to show these results.
(b) Comment on the reasons for these figures and why they vary.
……………………………………………………………………
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(10)Circulation and breathing processes are closely link
Complete the table to show the movement of materials into and out
of each system that are needed to keep our bodies healthy and functioning normally.