Awhich of These Jobs Uses the Most Energy Per Hour?

HELP

aWhich of these jobs uses the most energy per hour?

bWhich job uses the least energy per hour?

cExplain why the teacher uses more energy than the computer operator.

diWhich person is taking in more energy than they are using, every day?

iiExplain how you could tell.

2aWhich two nutrients are often too high in a ‘Western diet’?

bWhich one of these can cause heart attacks?

cThe office worker is suffering from anorexia nervosa. Explain what this is.

This worksheet may have been altered from the original on the CD-ROM.

CORE

3Child and teenage obesity is now thought to be a major problem in the UK.

aWhat is child and teenage obesity?

bHow might diet be a cause of obesity?

cWhat else might be a reason for recent increases in child and teenage obesity?

dWhy would eating plenty of fruit and vegetables help to keep us healthy?

4The diagram shows some items on Joe’s school lunch menu.

Course / Item / Amountof fat (g) / Amount offibre (g) / Amount ofprotein (g)
Main / Beefburger / 19 / 1.0 / 24
Cheeseburger / 22 / 1.1 / 27
Chicken pie / 24 / 0.9 / 19
Potato / Baked / 0 / 10 / 6
Mashed / 3 / 6 / 4
Chips / 17 / 3 / 4
Drink / Water / 0 / 0 / 0
Orange juice / 0 / 0 / 0.2
Milkshake / 7 / 0 / 4

aChoose one item from each course to give Joe:

ithe meal containing the most fat.

iithe meal containing the least fat.

iiithe meal containing the most protein.

ivthe meal containing the least fibre.

bSuggest one item that the school could add to the menu to increase the amount of fibre Joe eats.

cWhich drink would help Joe to grow healthy teeth?

This worksheet may have been altered from the original on the CD-ROM.

EXTENSION

5The graphs show body mass data for adult men and women.

The table gives some information about five people.

Name / Height (m) / Body mass (kg)
John / 1.90 / 85
Jane / 1.65 / 52
Edward / 1.75 / 86
Sophie / 1.80 / 61
Suzy / 1.50 / 35

Jane is a successful runner. She keeps her body mass down to the lower limit for her height.

Discus throwers keep their body mass close to the upper limit for their height.

aiWho is probably a discus thrower?

biWho else, apart from Jane, is probably a runner?

iiExplain your choice.

cWho is very overweight?

dWhy might a javelin thrower need to be at the upper limit for his or her height?

eWhy is it an advantage for runners to be at the lower limit?

fSuzy has a disease. It is caused by her diet. Suggest what the disease might be and what caused it.

gWhat advice would you give to Edward?

This worksheet may have been altered from the original on the CD-ROM.