Grade 6 – Science End of Year Exam – June 2023

Answer the following questions by circling A, B, C or D to choose the correct response. (1 mrk each)

Which drug is considered an over-the-counter drug?

a. Marijuana                   b. Advil                 c. morphine                        d. ecstasy

The need for greater amount of a drug to feel the same effect is called:

a. Tolerance                    b. amphetamine               c. over-the-counter          d. addition

Drugs misuse is considered:

a. Combining medicines                            c. using medicine when you do not need it.

b. Using medicine without following directions.               D. All of the above

A side-effect is considered:

a. Any reaction to a medicine                   b. Drugs used to treat or prevent diseases.

c. Substances that change the function of the body d. Medicines sold only with a prescription.

Drugs that are considered dangerous may:

a. Impair a person’s judgement     b. protect body cells

c. Gives feelings of satisfaction    d. increase understanding

Which of these foods is the quickest source of energy?

a. Sugar             b. starch               c. protein              d. fat

Which mineral is necessary for the formation of strong bones and muscles?

a. Iodine            b. calcium             c. phosphorous                   d. potassium

Which of these nutrients form most of your body weight?

a. Protein           b. fat                      c. carbohydrates                d. water

Obesity can occur as a result of:

a. Overeating carbohydrates and fats                   b. Overeating vitamins and minerals

c. Not eating enough carbohydrates and fats     d. Not eating enough vitamins and minerals

If young children do not receive enough nutrients, they can suffer from a condition known as:

a. Dehydration                 b. diabetes                          c. malnutrition                    d. anaemia

Which of the following is an example of an interaction between living and non-living things?

a) Photosynthesis              b) Reading a book             c) Playing soccer              d) Listening to music

The process by which plants convert sunlight into energy is called:

a) Respiration                    b) Decomposition             c) Photosynthesis              d) Digestion

What is the primary source of energy in most ecosystems?

a) Wind                               b) Sun                                  c) Fire                                   d) Fossil fuels

Which of the following is an example of a living thing?

a) Rock                                 b) Cloud                              c) Tree                                  d) River

The process of breaking down dead organisms and waste materials is known as:

 a) Decomposition            b) Photosynthesis             c) Erosion            d) Evaporation

The interaction between a bee and a flower is an example of:

a) Predator-prey relationship       b) Mutualism     c) Commensalism             d) Parasitism

What is the primary cause of climate change?

a) Volcanic activity                          b) Solar radiation            c) Human activities                         d) Natural climate cycles

Which of the following is a greenhouse gas?

a) Oxygen                           b) Nitrogen                        c) Carbon dioxide             d) Argon

What is the main impact of climate change on sea levels?

a) Sea levels remain constant                                    b) Sea levels decrease

c) Sea levels rise                                                            d) Sea levels become more acidic

Which of the following is a consequence of melting glaciers and polar ice caps due to climate change?

a) Increased water availability                                   b) Reduced flooding

c) Decreased sea levels                                                d) Habitat loss for polar animals

Section B: True or False (10 marks)

Write “True” if the statement is correct and “False” if the statement is incorrect.

• Non-living things can have an impact on the environment. ______________________
• Living things are not affected by changes in their environment. ___________________
• Human activities have no impact on the environment. __________________________
• Non-living things cannot interact with living organisms. _________________________
• Plants get their energy from photosynthesis. ___________________
• Ecosystems consist only of living things. _________________________
• Pollution can negatively affect the health of living organisms. ____________________
• The burning of fossil fuels is a major contributor to climate change. ________________
• Climate change has no impact on ecosystems and biodiversity. ___________________
• Rising sea levels can lead to coastal erosion. ___________________

• Use the words below to label the diagram correctly. (5marks)

topsoil                 parent material               bedrock               subsoil                 humus

From the list below fill in the blanks with the appropriate words. (10 marks)

biodiversity    ecosystems   ecology   transpiration    pollination   decomposers     

greenhouse        endangered       mitigation           succession

1. The balance of organisms in an ecosystem is known as ________________________.              
2. Water pollution can harm aquatic __________________________.
3. The process by which plants release water vapor is called ______________________.
4. ________________________ is the gradual change of one ecosystem into another.
5. ____________________ are organisms that break down dead plant and animal material.
6. The interaction between a flower and a bee is an example of ________________________.
7. The study of the relationships between organisms and their environment is called _______________.
8. Climate change is primarily caused by the emission of ____________________ gases.
9. Rising temperatures can lead to the extinction of ____________________ species.
10. ________________ measures aim to reduce greenhouse gas emissions.

Identify the diagram below, then label it correctly. (12 marks)

1. This is the human ___________________________.

1. Name five (5) systems of the human body. (5 marks)
2. Give a brief explanation of anyone of the human body system named above. (8 marks)

Section C – Performance Task

Read the passage and carefully examine the picture below, then answer the following questions.

Drug use and abuse are two sides of the same coin. While the use of drugs can have therapeutic benefits, their abuse can lead to a variety of physical and mental health problems. It is important to use drugs only as prescribed by a doctor or as directed on the label of over-the-counter drugs. If you or someone you know is struggling with drug abuse, seek help from a healthcare professional.

1. People take drugs for different reasons. What are three reasons why people use drugs? (3marks)
2. Why is it important to know facts about various types of drugs? (2marks)
3. Why is it necessary for a person to follow the guidelines on the proper use of a drugs? (2marks)
4. Why is it that some drugs can be bought over-the-counter but other need a prescription? (2marks)
5. What are some health risks associated with abusing prescription drugs? (3marks)
6. Give the name of three illegal drugs and state their effects on  the body. (6marks)
7. What effect does alcohal and marijuana have on the body? (2marks)

Please see other End of year exams for June 2023:

Grade 5 – Math End of Year Exam – June 2023

Grade 5 – Science End of Year Exam – June 2023

Grade 5 – Social Studies End of Year Exam – June 2023

Grade 6 – Math End of Year Exam – June 2023

Grade 6 – Social Studies End of Year Exam – June 2023