Department: Science
Class: 8 Red
Teacher: AAK
Subject: Biology
Module Titles: Food and Digestion
Homework Task: Worksheet 8Ab(9) asks pupils to compare the diets of two
people, with questions on problems caused by poor diet
Resources: exercise books, textbooks from library, access to internet
How long will the homework take? The homework should not take more than 1.5
hours to complete.
How will the work be assessed? Peer assessed.
Date Issued: 2/10/14
Date due: 9/10/14
Where can you get extra help from: Science Teacher, Library
Useful websites:
http://www.bbc.co.uk/schools/ks3bitesize/science/organisms_behaviour_health/diet_
drugs/revise3.shtml
8Ab(9)
Food and activity
1 From the following word box
write down the names of the
food substances that provide
us with energy.
air
carbohydrates
fat
fibre
vitamins
minerals
water
2 Why do you think a postman
needs more energy than a
secretary?
3 In many parts of the world people
are starving, while in the United
Kingdom many people are
overweight. Look at the charts
on the right showing how much
two different people eat.
a Why do you think Ratan
is so overweight?
Ratan’s food on a
typical day
Food
porridge
bacon and eggs
Jarler’s food on a
typical day
Energy (kJ)
630
2000
4600
sweet potatoes
1500
milk
500
coffee with sugar
210
beans
250
orange juice
150
bread
1000
TOTAL
7850
beefburger
1700
chips
1200
350
baked beans
500
c If Ratan wanted to slim
down, what should he
do about his diet?
boiled sweets
1000
f What nutrients are missing
from Jarler’s diet?
g Suggest a problem this
could cause.
boiled rice
500
sweetcorn
e Why do you think Jarler is
so thin?
Energy (kJ)
milk
b Suggest a problem Ratan
might get by being obese.
d What else could Ratan
do, apart from change
his diet?
Food
biscuits
chocolate
450
1400
tea with sugar
170
chicken soup
440
roast lamb
1300
rice
2320
Brussels sprouts
180
ice cream
500
cake
500
TOTAL
15500
what a balanced diet is  explain why a balanced diet is needed
I CAN...  describe
explain why some people need more food than others
 describe some problems caused by not getting a balanced diet.
Department: Science
Class: 7 Blue
Teacher: AAK
Subject: Chemistry
Module Titles: Particles
Homework Task: Worksheet 7Gb(1) – In theory…… – a worksheet that helps
students to recognise observations that need to be explained by a theory about the
states of matter.
Resources: Exercise books and internet access
How long will the homework take? Not more than one hour
How will the work be assessed? Peer assessed
Date Issued: 2/10/14
Date due: 9/10/14
Where can you get extra help from: Science Teacher, Library
Useful websites: BBC Bitesize
In theory…
7Gb(1)
Name
Class
Date
1 Draw lines to match the words with their meanings.
evidence
results of experiments used to show that a theory is right
theory
what you see happening in an experiment
observation
a scientific idea
prediction
saying what you think will happen in an experiment
2 Which of these are observations that can be explained by a theory about solids, liquids and
gases? Tick the boxes.
A purple crystal put into water slowly makes the water turn purple.
You cannot squash a solid.
The Moon is closer to the Earth than the Sun.
Solid metals are sometimes named after the people who discovered them.
Gases and liquids both flow.
3 Here is an observation:
Mrs Jones went to get her washing from the line and found that it was no longer there. Think up
a theory to explain this observation.
I CAN...
Exploring Science
• explain that scientific theories explain observations • recognise observations that
need to be explained by a theory about the states of matter.
edition
281
© Pearson Education Limited 2008