1. “All living and non-living things along with their surroundings”

The statement is referring to .

2. Which process is NOT a part of conservation?

3. Read the following statement and use it to answer item.

“All three members of Mr. Park’s family work in offices that are close to each other. Each family member, however, chooses to drive their own car to work.”

Which BEST explains why the family’s choice to drive different cars could be bad for the environment?

It may increase the                                       .

4. The diagram below shows how a large mass of land has change over the course of twenty years (20). Use it to answer item.

Which is the LIKELY cause for the change that occurred?

5. Which organ system controls the body’s actions?

6. What is the name of the organ labelled X?

7. Which shows the CORRECT path food travels through the digestive system?

8. In which environment is noise pollution LIKELY to occur?

9. Which is NOT a property of sound?

10. The human vocal chords produce sound by vibrating as air from the lungs passes over them. Changing the tightness of the vocal chords will affect certain characteristics of the human voice.

Which characteristic of the human voice will be affected by changing the tightness of the vocal chords?

The                           .

11. The diagram below shows a pencil in a glass of water. Examine the diagram then use it to answer item.

Which is the LIKELY cause of the optical illusion seen in the diagram? Light rays are                           .

12. Which describes a property of light?

13. Which is an example of a solid – solid mixture?

14. Which is TRUE about mixtures?

15. Which diagram does NOT represent a mixture?

16. “After Dad was finished mixing the lemonade, he poured it onto a piece of cloth that was stretched over a jug. He did this to remove the seeds and dregs from the lemonade.”

Which separation technique was used to remove the seeds and dregs from the lemonade?

17. Which is NOT a state of matter?

18. Which process occurs when a gas changes to a liquid?

19. Which diagram LIKELY represents an irreversible change?

20. Which of the following will LIKELY be a good conductor of heat? A cup made from                       .

21. “A student spilled some juice on the floor and needed a suitable material to clean it up.”

Which property should the material have? It should be .

22. Below is an example of a label that can be seen on many household goods. Examine the label then use it to answer item.

Which hazard symbol is NOT represented on the label?

23.

Which precaution should be followed when storing goods with this label? Avoid storing ________________________.

24. The pie chart below shows the proportions of different types of solid waste produced as a result of urbanization. Use the information in the pie chart to answer item.

Pie chart showing the proportions of different types of solid waste

Which statement represents information obtained from the pie chart? Urbanization produces .

25. A group of scientists investigated the effect that sounds in a harbour has on the harbour’s fish population. The diagram below shows the results of their investigation.

Which statement is supported by the information in the diagram? The harbour fish are likely _____________________.