Guru Nanak Public School, Model Town Extension, Ludhiana Practice Worksheet-(July, 2016)

Subject-Science Class-V

Q1.Answer the following questions:- a. How is exercise useful for our body? b. How is petroleum formed? Name the different products that we obtain from refining petroleum. c. What is a deficiency disease? d. Why do things expand on heating?

e. Why is it important to be healthy? Which are the healthy habits that we must adopt?

f. Name the nutrients present in food. g. Why is junk food not good for us? h. How is the principle of expansion used in a thermometer for measuring temperature? Q2. Fill in the blanks: a. ____is caused due to deficiency of iodine in our diet. b. Proteins, eggs, milk and soya beans are rich sources of _____ c. The process of change of liquid into its solid state on cooling is called______ d. The spaces between the molecules of matter are called _______ e. Rocks are made up of _______ f. Sunlight is a good source of ________ g. Matter is made up of very tiny particles called______. h. Limestone is a form of ________ rock . i. The molecules in liquids are ____________ packed. Q3. Give reasons and complete the sentences: a. We cannot move our finger through a solid wall because_______ b. Things expand on heating because_____ c. Sugar dissolves faster in hot water than in cold water because____ d. Coal and petroleum should be used carefully because______ e. Sugar dissolves faster in hot water than in cold water because_____ f. It important to be healthy because _________________ . g. A liquid changes into vapour on heating because _______________. Q4. Define / Explain the following terms: a. Evaporation b. Physical change

c. Chemical change d. Gemstones e. Expansion f. Balanced diet Q5. Choose and write the correct option: a. __________ can float on water . i) pumice ii) marble

b. Which of the following is not a nutrient? i) Protein ii) Roughage.

c. Which disease is caused due to the deficiency of Vitamin B? i) Scurvy ii) Beriberi d. Which rock is used by dentists to polish teeth? i) Coal ii) Pumice e. Which of these minerals is commonly present in sandstone? i) quartz ii) calcite f _________ is the hot molten rock that comes out on the surface of the earth . i) lava ii) fossil g. We get roughage from _________. i) fruits ii) butter h.. The molecules in solids are

i) tightly packed ii) loosely packed i An example of a physical change is i) making curd from milk ii)Tearing a paper. j. The molecules in gases are ________ packed. i) very loosely ii) loosely k. Obesity is caused by eating ________. i) balanced diet ii) junk food Q6.. Differentiate between: a) melting and freezing. b)Physical and chemical change Q7.. Circle the odd one out: a. rickets beriberi typhoid scurvy nightblindness. b. Iron silver gold copper chalk. c. muscles minerals vitamins carbohydrates fats d. cheese butter ghee water meat

e. Bread chapatti rice fruits potato f. Shale sandstone conglomerate limestone gneiss g. Carbohydrates proteins fats vitamins water Q8. Look at the pictures and answer the questions given below 1.

a. Name the nutrients present in the above food items. b. What is their role in our body ? 2.

a) Identify the above picture. b) Where is it located?

3.

a) Identify the above picture. b) Where is it located?

4.

a) Identify the above picture. b) Who has made it? c) Where is it situated?

5.

a)Name the nutrients present in the above food items. b)What is their role in our body? 6.

a)Name the nutrients present in the above food items. b)What is their role in our body?

7.

a. Identify the picture b. What is its role in our body? 8.

a. Identify the picture b. How are they packed? Q9. a) What would happen to life on the earth when all the fossil fuel deposits get exhausted?(Write any two reasons)

b) Can fossils be found in metamorphic rocks?