saasta.ac.za : Grade 4- 6 Natural Science Olympiad Past Paper

Name of the Organization : SAASTA – South African Agency for Science & Technology Advancement
Announcement : Natural Science Olympiad
Year : 2016
Type : Past Papers
Grade : Grade 4 to 6

Website : http://www.saasta.ac.za/competitions/natural-science-olympiad/
Download Past Exam Paper :
Natural Science Olympiad 2016 : https://www.southafricain.com/uploads/7260-NSO2016.pdf
Natural Science Olympiad 2015 : https://www.southafricain.com/uploads/7260-NSO2015.pdf
Natural Science Olympiad 2014 : https://www.southafricain.com/uploads/7260-NSO2014.pdf
Natural Science Olympiad 2013 : https://www.southafricain.com/uploads/7260-NSO2013.pdf

SAASTA Grade 4- 6 Natural Science Olympiad Past Paper

Download Past Paper of South African Agency for Science & Technology Advancement (SAASTA) Grade 4- 6 Natural Science Olympiad here

Related / Similar Post : SAASTA Natural Science Olympiad 2017

Instructions :
** This is a multiple choice paper. Please answer all the questions on the answer sheet provided. Each question is followed by answers marked A, B, C and D. Only one answer is correct. Choose the most correct answer and shade the corresponding circle on the answer sheet completely using an HB pencil.

** NB! The answer sheets are marked electronically – do not make any other dots or marks on the answer sheet. Select only one answer for each question or your answer will be discarded. Ensure that you shade your selection clearly.

** Note that the question numbers 1 to 100 on the answer sheet moves from top to bottom in several columns. Ensure that the number of your selection on the answer sheet corresponds with the number of the question in your examination paper. Should you make a mistake, please erase the incorrect answer completely.

** The use of non-programmable electronic calculators is permitted.
** Three hours are allowed to answer the questions

1. Which one of the following is an instinctive behaviour?
A A person talking.
B A baby born knowing how to cry.
C A girl born with blue eyes.
D Pulling out of a tooth.

2. Apart from the four familiar tastes we have come to know best, there is a fifth taste known as ….
A hearing
B Sight
C Crying
D Umami

3. Which two processes occur during the life spans of all animals?
A Hibernation and migration.
B Growth and development.
C Changing colour and shedding fur.
D Building nests and communication.

4. How many eyespots does a 7-armed starfish have?
A 5
B 10
C 7
D 14

5. A food chain which consists of four living organisms is indicated below. Place each of these living organisms in the correct box to complete this food chain.
A Box 1: Algae, Box 2: Trout, Box 3: Tadpole, Box 4: Raccoon
B Box 1: Algae, Box 2: Tadpole, Box 3: Trout, Box 4: Raccoon
C Box 1: Raccoon, Box 2: Trout, Box 3: Tadpole, Box 4: Algae
D Box 1: Trout, Box 2: Tadpole, Box 3: Algae, Box 4: Raccoon

6. Consider the food chain in question 5 and answer the following question. Which one of the following statements is correct if you can assume that the tadpole population suddenly increases in the area?
A The trout population would increase.
B The raccoon would have less trout to eat.
C The trout would have fewer tadpoles to eat.
D The algae would grow tall.

7. An aquarium with six labelled items is represented below.
A Fish
B Snail
C Plant
D Thermometer

8. With what does a butterfly taste its food?
A Tongue
B compound eyes
C Antennae
D Feet

9. An eagle’s eye is almost as large as that of a human, but its sharpness is at least ___________ that of a person with perfect vision.
A half
B twice
C four times
D twenty times

10. Three birds with different shaped beaks are shown below The differences in the birds’ beaks are examples of…
A physical adaptations.
B hibernations.
C migrations.
D seasonal changes.

11. How does a lion’s special colouring help it to survive?
A It helps protect the lion from predators.
B It helps the lion sneak up on predators without being heard.
C It helps the lion hunt prey without being seen.
D It makes the lion completely invisible.

12. What is the mass of the smallest mammal in the world?
A 20 g
B 2 g
C 50 g
D 10 g

13. Teresa and Rafael set up their terrariums for a class project as shown. Teresa never had to water hers but Rafael had to water his almost every other day. Why do you think this happened?
A Teresa poured more water in hers before closing it up.
B Rafael used a different shape soda bottle to set his up.
C Rafael decided to leave the top off and water evaporated quickly.
D Teresa used plant food and Rafael did not.

14. Which of the following statements is not true about an ostrich?
A It is native to South America.
B It can run at about 70 km/h.
C It can weigh up to about 145 kg.
D It is native to Africa.

15. What is the lightest organ in the human body?
A The liver.
B The heart.
C The intestine.
D The lung.

16. The Black mamba, one of Africa’s most feared and respected snakes, is the largest venomous snake in Africa and the second longest poisonous snake in the world. The “Black” is associated with _____________
A the colour inside its mouth.
B the colour of its intestines.
C the fact that it only attacks people wearing black clothes.
D the fact that it is mostly found in Black Forest in Germany.

17. Which of your body systems lets you know when water is hot?
A Respiratory system.
B Nervous system.
C Circulatory system.
D Skeletal system.

18. Which of the following living things have the same function?
A Seed and ear.
B Root and wing.
C Tree bark and skin.
D Leaf and wing.

19. A student chooses a bag of almonds and raisins for a snack. Why can this be considered as a healthy snack?
A It provides the greatest amount of sugars.
B It provides a high amount of calories.
C It provides vitamins and minerals.
D It provides proteins and a high amount of fats.

20. What can sharks do that humans cannot?
A Smell
B Sense electricity
C Hear
D Taste

FAQ On SAASTA Natural Science Olympiad

The South African Agency for Science and Technology Advancement (SAASTA) Natural Science Olympiad is an annual competition aimed at promoting interest and excellence in natural sciences among South African high school students. Here are some frequently asked questions about the SAASTA Natural Science Olympiad:

Who is eligible to participate in the SAASTA Natural Science Olympiad?
The competition is open to high school students in South Africa who are in grades 10, 11, and 12.

What subjects are covered in the SAASTA Natural Science Olympiad?
The competition covers a wide range of natural sciences subjects, including physics, chemistry, biology, and earth sciences.

What is the format of the competition?
The competition consists of two rounds. The first round is a written test that is held at participating schools. The top-performing students in each province are then invited to participate in the second round, which is a practical test held at a central venue.