Food is a source of building materials and energy | Science

Starter quiz

What type of organism always starts a food chain?
- Consumer
- Herbivore
- Producer ✓
Which types of organisms are producers?
- algae ✓
- plants ✓
- fungi
- animals
A cow eats grass, therefore it is known as a ______ consumer.
- 'primary' ✓
Which foods have a high fat content?
- apple
- butter ✓
- cheese ✓
- pasta
- water
Match up the food group to its function in the body.
- carbohydrate
  
  ⇔
  
  provides energy ✓
- fat
  
  ⇔
  
  provides energy, insulation and are in cell membranes ✓
- protein
  
  ⇔
  
  builds cells and tissues ✓
- mineral e.g. calcium
  
  ⇔
  
  helps to strengthen bones and teeth ✓
True or false? Taking a vitamin tablet is the only way to get vitamins.
- True
- False ✓

The arrows in a food chain show the transfer of...
- consumers
- food ✓
- producers
- uneaten parts
The dry mass of a living organism is known as ______.
- 'biomass' ✓
True or false? Food is a fuel for your body.
- True ✓
- False
Sort these people into order based on the amount of carbohydrate and protein they need in their diet. Start with the person that needs the most.
- 1
  
  ⇔
  
  Alex is 12, she plays sport four times a week and walks to school each day.
- 2
  
  ⇔
  
  Sarah is 34, she plays football once a week and works on a farm at weekends.
- 3
  
  ⇔
  
  Jim is 55, he plays darts and works at a desk.
True or false? One kilojoule is the same as 100 joules.
- True
- False ✓
How many kilojoules of energy is provided by a portion of this cereal?
- 116
- 491 ✓
- 8400
- 2000

Loading worksheet ...

Loading presentation ...

Food is a source of building materials to make biomass for growth and repair.
Food also provides the fuel for cellular respiration, to provide energy for life processes.
Different individuals require different daily amounts of food and energy.
Food labels contain information on the content of the food and daily recommended amounts of nutrients and energy.
The amount of energy provided by food can be compared in kilojoules or calories.

Protein is the main source of energy in our diets.

Carbohydrates and fats are the main source of energy in our diets.