9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2

ENVIRONMENTAL STUDIES – I (SCIENCE) by classklapTM WORKBOOK – TERM 2 Enhanced Edition 3 Name: ___________________________________ Section: ________________ Roll No.: _________ School: __________________________________ NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 1 1/9/2019 3:04:11 PM

Contents 3Class 7 Sources of Light������������������������������������������������������������������������������������������������������������ 1 8 Composition of Air������������������������������������������������������������������������������������������������������� 7 9 Stems and Leaves������������������������������������������������������������������������������������������������������ 13 1 0 Uses of Animals���������������������������������������������������������������������������������������������������������� 18 NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 2 1/9/2019 3:04:12 PM

Lesson 7 Sources of Light Remembering Multiple Choice Questions 1) Name the most important natural source of light.  [      ] (A) Sun (B) lantern (C) electric bulb (D) candle 2) Which of our body parts helps us to see the things around us?  [      ] (A) nose (B) ears (C) eyes (D) mouth Fill in the Blanks 3) __________________________ sources of light are made by humans. 4) We can _________________________ things when light falls on them. Very Short Answer Questions 5) Name any one natural source of light. Ans. _____________________________________________________________________________ 6) Name any one artificial source of light. Ans. _____________________________________________________________________________ NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 3 1 1/9/2019 3:04:12 PM

Short Answer Question 7) Pictures of some sources of light are given below. Write their names in the boxes. a) b) c) d) ________________ ________________ ________________ ________________ Understanding True or False 8) There were no artificial light sources in ancient times. [       ] 9) Humans discovered fire by rubbing leaves.  [       ] 10) In olden days, humans could hunt after sunset.  [       ] 11) Fire helped humans to protect themselves from dangerous animals.[       ] Short Answer Questions 12) Arrange the following from oldest to recent: Sun, oil lamp, rubbing flint, burning logs of wood Ans. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 13) Why could early humans hunt only during the day time? Ans. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 2 1/9/2019 3:04:12 PM NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 4

Long Answer Question 14) Answer the following questions using the images as hints. a) How did humans discover fire? Humans discovered fire by___________________________________________________ b) How did the discovery of fire help them? A) B) Fire helped them to _______________ It also helped them to get __________ _________________________________ __________________________________ _________________________________ __________________________________ Sources of Light 3 NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 5 1/9/2019 3:04:12 PM

Application [     ] [     ] Multiple Choice Questions 15) What type of light source should we use?  (A) the source that uses more electricity (B) the source that uses less electricity (C) the source that produces smoke (D) the source which is harmful to us 16) Name the light source which uses electricity.  (A) oil lamp (B) kerosene lamp (C) candle (D) LED bulb Short Answer Questions 17) Draw any two light sources which you use at your home. Ans. 4 1/9/2019 3:04:12 PM NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 6

18) Why should we avoid using a kerosene lamp? Ans. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ Long Answer Question 19) Tick () the sources of light that we should use. Cross () the ones which should not be used. Write the reason in the space provided. a) __________________________________________ __________________________________________ b) __________________________________________ __________________________________________ c) __________________________________________ __________________________________________ d) __________________________________________ __________________________________________ Sources of Light 5 NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 7 1/9/2019 3:04:12 PM

Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) We know that the solar heater and solar cooker use solar energy to work. In the box given, draw and name two other objects that work on solar energy. Ans. 6 1/9/2019 3:04:12 PM NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 8

Lesson 8 Composition of Air Remembering Multiple Choice Questions [     ] 1) Which of the following is present in large amount in the air? [     ] (A) water vapour (B) carbon dioxide (C) nitrogen (D) dust 2) What is the gaseous form of water called? (A) ice (B) water vapour (C) dust (D) oxygen Fill in the Blanks 3) Air is a mixture of different _______________________________. 4) __________________________________ air does not have any smell or colour. Very Short Answer Questions 5) Name a gas that is present in small amount in the air. Ans. _____________________________________________________________________________ 6) Name a thing present in air other than the gases. Ans. _____________________________________________________________________________ NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 9 7 1/9/2019 3:04:12 PM

Short Answer Question 7) Write a short note on gases. Ans. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ Understanding True or False [       ] 8) We do not need air to breathe. [       ] 9) Plants give out oxygen in the process of making their food.  [      ] 10) All animals breathe in oxygen.  [       ] 11) Plants take in carbon dioxide from the air to make their food.  Short Answer Questions 12) Fill in the blanks to complete the movement of gases correctly. ________________ ________________ ________________ ________________ 8 1/9/2019 3:04:12 PM NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 10

13) What is the man doing in the given picture? Is it right or wrong? Why? Ans. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ Long Answer Question 14) How do we get rain? Draw a diagram to explain. Ans. Composition of Air 9 NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 11 1/9/2019 3:04:12 PM

Application Multiple Choice Questions 15) Name a gas that becomes a pollutant when its amount increases in the air.  [   ] (A) oxygen (B) nitrogen (C) carbon dioxide (D) water vapour 16) What should we wear to allow clean air to enter our nose? [     ] (A) overcoat (B) umbrella (C) jacket (D) mask Short Answer Questions 17) Suhail wants to list the effects of air pollution on our health. Help him out in doing so. Ans. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 18) Which of the following should we use while cooking? Why? a) b) chulha LPG stove Ans. _____________________________________________________________________________ 10 1/9/2019 3:04:12 PM NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 12

_____________________________________________________________________________ _____________________________________________________________________________ Long Answer Question 19) Write any four ways to keep the air clean. Use the images as hints. a) _____________________________________________ _____________________________________________ b) _____________________________________________ _____________________________________________ c) _____________________________________________ _____________________________________________ d) _____________________________________________ _____________________________________________ Composition of Air 11 NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 13 1/9/2019 3:04:12 PM

Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) Make a poster on the chart paper to show the harmful effects of firecrackers and write one slogan. (Hint: Avoid crackers and save nature.) Ans. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 12 1/9/2019 3:04:12 PM NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 14

Lesson 9 Stems and Leaves Remembering Multiple Choice Questions 1) Which of the following plants has a thorny stem? [     ] (A) rose (B) lotus (C) spinach (D) coriander 2) Which of the following statements is correct? [     ] (A) Tulsi leaves have no smell. (B) Banana leaves are big. (C) Bamboo stem is not smooth. (D) Coconut tree has many branches. Fill in the Blanks 3) Bamboos have ___________________________ stems. (smooth / rough) 4) ___________________________ leaves have toothed edges. (Neem / Lotus) Very Short Answer Questions 5) Name a leaf which has a special smell. Ans. _____________________________________________________________________________ 6) Name a tree with a rough stem. Ans. _____________________________________________________________________________ NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 15 13 1/9/2019 3:04:12 PM

Short Answer Question 7) What type of stem does a coconut tree have? Ans. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ Understanding Match the Following a) leaves 8) stem that stores food b) sugar cane 9) plant part that makes food c) water, carbon dioxide, sunlight 10) plant part which holds leaves d) stem 11) things leaves need to make food Short Answer Questions 12) How does the stem help the leaves? Ans. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 13) What do plants need to live? How do leaves help the plant? Ans. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 14 1/9/2019 3:04:12 PM NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 16

Long Answer Question 14) Look at the image. Fill in the empty spaces to explain how leaves prepare food for the plant. a) R oots take in __________________ from the ________________. b) In the presence of ______________ , leaves combine ______________________________ and _________________ to make _______________. During this process, they give out ________________. c) S o, leaves are called the ____________________________ of the plant. Application Multiple Choice Questions 15) Which of the following is used as a leafy vegetable?  [     ] (A) neem (B) mango (C) tulsi (D) spinach Stems and Leaves 15 NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 17 1/9/2019 3:04:12 PM

16) Which of the following plants’ stem is used as food? [     ] ( A) coconut (B) tulsi (C) neem (D) potato Short Answer Questions 17) What do we get from sugar cane stem? Ans. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 18) Why do we use tree trunks to make furniture? Ans. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ Long Answer Question 19) Write the uses of leaves using the images as hints. a) b) ____________________________________ ____________________________________ c) d) ____________________________________ ____________________________________ 16 1/9/2019 3:04:12 PM NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 18

Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) Draw a cactus plant and label its parts. How are the leaves different from other plants? Ans. _____________________________________________________________________________ _____________________________________________________________________________ Stems and Leaves 17 NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 19 1/9/2019 3:04:12 PM

Lesson 10 Uses of Animals Remembering Multiple Choice Questions 1) Which of the following animals does not give us milk? [     ] (A) hen (B) cow (C) goat (D) buffalo 2) Which of the following things do we not get from animals? [     ] (A) egg (B) honey (C) meat (D) rice Fill in the Blanks 3) Oyster, a sea animal, gives us ______________________________. 4) Dried cow dung is used as _________________________________. Very Short Answer Questions 5) Name two things produced from animal waste. Ans. _____________________________________________________________________________ 6) Name two products obtained from lac. Ans. _____________________________________________________________________________ Short Answer Question 7) Fill in the table. Animal What do we get Product made _________________________ wool woollen clothes silkworm __________________________ silk cloth 18 1/9/2019 3:04:12 PM NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 20

Understanding a) guards our houses Match the Following b) provides us a ride c) entertains people 8) d) help us in farming 9) 10) 11) Short Answer Questions 12) Which animal is called the ‘ship of the desert’? Why? Ans. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 13) Why are mules trained to carry loads in mountainous regions? Ans. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ Uses of Animals 19 NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 21 1/9/2019 3:04:12 PM

Long Answer Question 14) How are dogs helpful to us? Use the images as hints. a) b) _______________________________________ _______________________________________ c) d) _______________________________________ _______________________________________ Application Multiple Choice Questions 15) Which of the following people depend on animals for their livelihood?  [     ] ( A) potters (B) milkmen (C) tailors (D)carpenters 16) Which of the following birds is reared for eggs?  [     ] ( A) eagle (B) pigeon (C) peacock (D)hen 20 1/9/2019 3:04:13 PM NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 22

Short Answer Questions 17) Who is shown in the given picture? How does he depend on animals for his livelihood? Ans. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 18) Look at the given picture. What does it show? Ans. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ Long Answer Question 19) Fill in the blanks to complete the table. Animals reared Animals used for Fish farming fish _____________________________ Goat and sheep goats and sheep milk and _____________________ farming Poultry farming hens and ____________________ meat and ___________________ Uses of Animals 21 NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 23 1/9/2019 3:04:13 PM

Higher Order Thinking Skills (H.O.T.S.) Long Answer Question 20) Look at the following pictures and identify them as right or wrong. Give a reason to support your answer. a) b) Ans. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 22 1/9/2019 3:04:13 PM NR_BGM_9789386663283 MAPLE G03 EVS I (SCIENCE) WORKBOOK TERM 2_Text.pdf 24