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Class 8 Science revision questions and answers on properties of soil

Class 8 Science revision questions and answers on properties of soil

Lessons (48)

• 1.    Use the following information to answer question below. Standard VII pupils put equal amounts of different types of soil P,Q,R and S into four identical tins. Each tin had a hole at the bottom. They then poured equal amounts of water into each tin. All the water that passed through the holes was collected into identical containers as shown in the diagrams below. Which one of the following
  3m 30s

• 2.    Use the following information to answer question below. Standard VII pupils put equal amounts of different types of soil P,Q,R and S into four identical tins. Each tin had a hole at the bottom. They then poured equal amounts of water into each tin. All the water that passed through the holes was collected into identical containers as shown in the diagrams below. From the experiment above, soil R
  2m 42s

• 3.    Some pupils from Mchanga primary school set up apparatus as shown in the diagram below. They then measured the rise of water in each type of soil after every 10 minutes and plotted their results as shown in the graphs below. The soil types represented by the graphs X, Y and Z are most likely to be
  3m 18s

• 4.    Kichungi wanted to filter some muddy water. She poured it into a filter which was arranged as shown in the diagram below. The main purpose of the charcoal in this filter was to A. Remove any floating leaves. B. Absorb dust particles C. Remove germs D. Absorb colour.
  1m 39s

• 5.    Which one of the following statements about air in soils is CORRECT? A. Loam soil contains more air between its particles than sandy soil. B. Clay soil has the highest amount of air between its particles. C. Sandy soil has highest amounts of air between its particles. D. Loam soil contains less air between its particles than clay soil.
  3m 9s

• 6.    Pupils investigating how fast water passes through different types of soils, set up an experiment as shown below. Which of the following is LEAST important for this experiment? A. Using the same amount of each soil. B. Using the same size of funnel in each case. C. Pouring the same amount of water to each funnel. D. Using the same size of jar in each case.
  3m 8s

• 7.    An experiment was set up to investigate capillarity in different soils as shown in the diagram below. In which tube would the water rise highest if the set up was left to stand for 12 hours? A.I B.II C.III D.IV
  2m 11s

• 8.    Which one of the following properties of soil does NOT depend on the size of its particles? A. Colour. B. Water retention. C. Drainage. D. Texture.
  2m 39s

• 9.    Equal amounts of different types of soils J, K, L and M were put into four identical glass containers. Equal volumes of water were then added to each container. After all the air had escaped from the soil in each container, the levels of water in the containers were as shown in the diagram below. Which one of the following conclusions about the soils is correct? A. Soil L had more air spaces
  4m 34s

• 10.    An experiment was set up as shown in the diagrams below. The experiment was to investigate A. Water retention by different types of soil B. Capillarity in different types of soil C. Amount of air in different types of soil D. Amount of humus in different types of soil
  1m 33s

• 11.    The set-ups shown in the diagram below were used to investigate how water moves up in different types of soil. Which one of the following need NOT be the same in both set-ups? A. Size of containers. B. Size of glass tubes. C. Amount of cotton wool in each glass tube. D. Amount of soil in each glass tube.
  3m 15s

• 12.    Standard V pupils collected different types of soils from their home areas for experiments. One of the soil samples was found to have the following characteristics. (i) Has very fine soil particles. (ii) Retains more water than all the others (iii) Makes thinner and longer ribbons than all the others Which one of the following types of soils has the characteristics listed above? A. Clay soil.
  4m 18s

• 13.    In which of the following samples of soil does water drain FASTEST? A. Loam. B. Clay. C. Sand D. Mixture of clay and loam.
  2m 10s

• 14.    How can water retention ability of sandy soil be improved? A. By practicing crop rotation. B. By growing cover crops. C. By constructing terraces. D. By applying organic manure.
  1m 31s

• 15.    Some pupils wanted to make ribbons using different mixtures of soil and water. From which mixture would they find it MOST DIFFICULT to make long ribbons? A. Sand and clay. B. Clay and loam. C. Clay, sand and loam. D. Sand and loam.
  2m 19s

• 16.    The set up shown in the diagrams below was used to compare the amount of air present in different types of soil. Which one of the following need NOT be the same? A. Size of soil particles. B. Size of glass container. C. Amount of soil in each glass container. D. Amount of water in each glass container.
  2m 32s

• 17.    Which type of soil is MOST difficult to cultivate when wet? A. Sandy soil. B. Clay soil. C. Loam soil. D. Sandy loam soil.
  1m 58s

• 18.    A group of pupils set an experiment in which they added equal amounts of water to soil samples I, II and III. Their results are shown in the diagrams below. From the results, soil samples I, II and III are most likely to be
  1m 57s

• 19.    Fatuma and Mwadime wanted to find out the soil sample that retains more water. They added equal amounts of water to clay and sand. The set up was as shown in the diagram below. What mistake did the pupils make in setting up the experiment? A. Using collecting jars of different sizes. B. Adding equal amounts of water. C. Using different amounts of soil. D. Using similar funnels.
  2m 13s

• 20.    Which one of the following types of soil is suitable for a site for constructing a fish pond? A. Sandy soil. B. Loam soil. C. Sandy loam soil. D. Clay soil.
  1m 4s

• 21.    The diagrams below show amounts of water that drained through equal samples of soils. Which one drained through a sample obtained from an anthill?
  2m 28s

• 22.    Which one of the following is NOT needed in an experiment to determine capillarity in different soils? A. Biro pen casing. B. Piece of cloth. C. Basin. D. Measuring cylinder.
  2m 24s

• 23.    Which one of the following types of soil has the highest water holding capacity? A. Clay soil. B. Loam soil. C. Sandy loam soil. D. Sandy soil.
  3m 7s

• 24.    Equal samples of soil were obtained from a garden, forest, playfield and dry river bed. They were heated thoroughly for the same length of time. The sample of soil MOST LIKELY to have lost the greatest mass was that obtained from the A. Garden B. Forest C. Playfield. D. Dry river bed.
  3m 32s

• 25.    Equal amounts of clay, loam and sand were mixed. The mixture was placed in a transparent bottle, then water was added. The contents were shaken and allowed to settle. The MOST LIKELY arrangement of the layers of soil sample would be
  3m 5s

• 26.    Which one of the following types of soil has the highest percentage of large soil particles? A. Clay soil. B. Loamy soil. C. Sandy soil. D. Sandy loam soil.
  2m 15s

• 27.    Which one of the following determines the rate at which water drains through the soil? A. Size of particles of the soil. B. Humus content of the soil. C. Mass of the soil. D. Air content of the soil.
  2m 39s

• 28.    The set ups below were used to determine capillarity in soil samples E, F, G and H. The correct conclusion cannot be drawn from the results of this experiment because A. Soil types were different B. Tubes were placed in different troughs C. Troughs were of different sizes D. Tubes were of different sizes.
  3m 31s

• 29.    Which one of the following is a characteristic of sandy soils? Sandy soils A. Have good drainage B. Have high water retention C. Crack when dry D. Have high mineral content.
  2m 18s

• 30.    A pupil immersed a small container filled with soil into a basin of water. Bubbles were observed. Which one of the following explains the observation made? A. Soil reacts with water. B. Water contains air. C. Soil contains air. D. Small animals in the soil produce air.
  3m 1s

• 31.    A group of pupils wanted to compare the rate at which water rises up in soils. They set up their apparatus as shown in the diagram below. From the results obtained by the pupils the correct conclusion could not be made because pupils A. Placed both tubes in the same basin. B. Used identical biro tubes C. Used equal amounts of soil in the biro tubes D. Used same type of soil
  2m 50s

• 32.    The diagram below represents a set up that can be used to investigate a certain component of soil. The component being investigated is A. Air B. Water C. Humus D. Small animals.
  2m 34s

• 33.    Which one of the diagrams below represents the correct set up that is used to compare drainage of water in different types of soil.
  2m 10s

• 34.    The soil that drains water fastest A. Has small air spaces. B. Cracks when dry C. Has poor capillarity D. Has smooth texture.
  2m 27s

• 35.    The soil that can be used to make long ribbons has A. Cracks when dry B. Large air spaces C. Rough texture D. Low capillarity.
  1m 48s

• 36.    When a transparent bottle filled with garden soil and water was shaken and left to stand, layers formed. The order in which the layers formed depended on A. Density of components B. Amount of water. C. Size of components D. Mass of components.
  2m 44s

• 37.    Which one of the following properties of clay soil would greatly contribute to flooding in an area? A. High capillarity. B. Poor drainage. C. Fine texture. D. Stickiness.
  2m 18s

• 38.    The main reason why sandy soil is mixed with cement in building is because it A. Drains well B. Has large air spaces C. Has large particles D. Mixes easily with cement.
  1m 21s

• 39.    The table below shows observations made when four soil samples P,Q, R and S were mixed with water and then rolled out to make ribbons. Which one of the samples has the lowest capillarity? A.P. B.Q. C.R D.S.
  3m 50s

• 40.    Which one of the following NEED NOT to be the same when comparing capillarity in different types of soil? A. Diameter of the tubes. B. Amount of each type of soil. C. Time allowed for the experiment. D. Amount of water used.
  1m 53s

• 41.    Which one of the following characteristics of sandy soil DOEST NOT explain why water drains through it easily? A. Rough texture. B. Large particles. C. Large air spaces. D. Shiny particles.
  2m 9s

• 42.    Which one of the following NEED NOT be the same when investigating drainage in different types of soil? A. Amount of soil in the funnels. B. Size of funnels. C. Size of bottles collecting the draining water. D. Amount of water added to the funnels.
  2m 22s

• 43.    Standard five pupils added equal amounts of water to three equal amounts of soil samples J, K and L in funnels as shown in the diagram below. After 10 minutes the pupils measured the amount of water that had drained through each soil sample. Which one of the following statements is a CORRECT conclusion from the results obtained? A.J has larger particles than L. B.K has larger particles than L.
  3m 30s

• 44.    The component of soil that improves its water holding capacity is A. Mineral salts B. Air C. Organic matter D. Living organisms.
  2m 2s

• 45.    Pupils investigated capillarity in different type of soil. Their results were as shown in the diagram below. From the results the soil samples X, Y and Z are most likely to be
  3m 22s

• 46.    In an experiment to investigate a certain component of soil, water was added to garden soil in a glass container. The component of soil investigated was A. Air B. Mineral particles C. Living organisms D. Organic matter.
  2m 50s

• 47.    The following are some activities carried out in an experiment to investigate drainage in soil. (i) Put equal amounts of three types of soil in separate funnels. (ii) Place the funnels on the mouth of each of three plastic bottles. (iii) Put cotton wool in the neck of each funnel. (iv) Pour equal amounts of water on each type of soil at the same time. Which one of the following is the CORRECT
  3m 46s

• 48.    Which one of the following methods of soil conservation can be used to control splash erosion? A. Making terraces. B. Building gabions. C. Planting cover crops. D. Practicing contour farming.
  2m 4s