Science - Year 3/4B Summer 1 Quiz Answers PowerPoint Animals including humans The Circle of Life Session 6 Quiz Answers PowerPoint © Original resource copyright Hamilton Trust, who give permission for it to be adapted as wished by individual users. We refer you to our warning, at the foot of the block overview, about links to other websites.

Answers to Quiz on The Circle of Life

A B C D 1. All living things need food to survive. Food is essential … There are 4 true endings to the sentence and 1 false ending. Choose the statement that is false. A to give us energy. B so we can grow. C to taste nice. D to keep us healthy.

2. When animals eat, their bodies need to break down the food so it can be used. This process is called … A Photosynthesis B Digestion C Hydration D Respiration

3. There are lots of different inside you that help to break down food and absorb the nutrients from it. Together they are called the Digestive System Choose the word that best fits in the gap D A Items Organs C B Parts Systems

4 Digestion begins in your mouth 4 Digestion begins in your mouth. Your teeth break up the food into small pieces and your mouth adds juice called … A B C D Acid Saliva Bile Juice

5. In your mouth there are 4 different types of teeth 5. In your mouth there are 4 different types of teeth. Which one of these is not a type of tooth? A E Incisor B D Premolar Canine C Molar Postcanine

6. Which 2 types of teeth are for crushing and grinding food into small pieces? B C D Incisors and canines Molars and premolars Molars and incisors Canines and premolars

7. The biting teeth at the front of the mouth are called … Canines C Premolars B Molars C Incisors

8. Dogs have much longer canine teeth than humans 8. Dogs have much longer canine teeth than humans. These pointy teeth are for … B Gripping and tearing tough food like meat A Chopping off pieces of food C Crushing food into small pieces

A B C The oesophagus The small intestine The bile duct 9. Once food has been chewed into small pieces and mixed with saliva, it is swallowed. The food travels down a tube called … A B C The oesophagus The small intestine The bile duct

10. Next the food enters the stomach where it is churned up with powerful digestive juices that get to work on breaking down food even further. Stomach juices are called … A Mucous B Bile C Saliva D Gastric Acid

A Small intestine B Large intestine C Liver D Colon 11. After a few hours the contents of the stomach move into a long wiggling tube where nutrients are absorbed into the body. This tube is called the … A Small intestine B Large intestine C Liver D Colon

12. What is left after the nutrients have been absorbed then moves into the large intestine – a shorter wider tube where … Large Intestine B Water and salts are absorbed by the body A More gastric juices are added C The body fights infection

A Rectum B Gall Bladder C Pancreas 13. All that is left behind is waste which the body needs to get rid of. This is collected in the last part of the large intestine called the … A Rectum B Gall Bladder C Pancreas

A B C Poo Urine Faeces D Droppings 14. The muscles in the rectum form the undigested waste into stools. The scientific name for these is … A B C Poo Urine Faeces D Droppings

15. This is the skull from a creature that ate only plants 15. This is the skull from a creature that ate only plants. Plant eaters are called … A Herbivores C Omnivores B Carnivores

16. Which teeth are missing from the mouth of a herbivore because they are not needed? Molars A Incisors B Canines C premolars

17. These animals are meat eaters 17. These animals are meat eaters. The scientific name for a meat eater is a … A Herbivore B Omnivore C Carnivore

18. Many animals are omnivores. Which of these foods would they eat? All except the mouse D Only the plants B All except the plants C All of them

19. Here is a food chain. Which is the producer? The lettuce D The fox B The slug C The hedgehog

20. Who is the top predator? A D B C The lettuce The fox The slug The hedgehog

21. Who is the primary consumer? The lettuce D The fox B The slug C The hedgehog

The direction the energy is moving 22. The arrows show … D Who the consumers are C The direction the energy is moving A Who is a predator B Who is prey

? A C D B Predators Consumers Producers Decomposers 23. There is an important group of living things that are vital in returning all the nutrients back to the soil so that healthy plants can begin to grow again – this group close up the Circle of Life. They are called … ? A Predators C Consumers D Producers B Decomposers