27. To which group of simple machines does a ladder leaning aganist a wall belong?
28. Why is it bad practice to store cooked food in a room where domestic animals are kept?
29. Write one method of rearing cattle used in towns.
30. State one similarity in structure between a small and an earthworm.
31. Apart from the rock particles and living organisms, name one other part of soil.
32. What happens when an opaque object is placed in a path of lights?
33. Name the kind of energy possesed by water at 1000C.
34. Give one factor to be considered when choosing a site for a school garden.
35. The diagram below shows a stage of development of an animal.
Use it to answer the questions that follow
Name one animal that develops from this stage.
36. State one common problem which adoloscence face.
37. Why is breast feeding very important to a mother?
38. How do plants reduce the amount of carbon dioxide in the atmosphere?
39. Name the part of a flowe that holds the anther head.
40. Give one reason why people who get badly burnt are given plenty of fluids.