C S DAV PUBLIC SCHOOL, MOTIHARI HOME ASSIGNMENT (SUMMER VACATION – 2015-16) Instruction – Write the answers of the following questions in a separate Note Book meant for Home Assignment. Class- VII SCIENCE Q1. Describe the various ways in which heat energy can escape from houses. What measures do we take to reduce heat losses? Q2. What is the difference between physical changes & chemical changes with five examples? Q3. What are the roles of stomata in plant leaf explain with diagram? Q4. On the basis of chemical changes classify the different types of chemical reactions with suitable examples Q5. Why are the bottoms of cooking utensil often black? Q6 why is mercury is preferred in ordinary thermometers. Q7. What is lichen? Describe role of lichen in soil formation. Q8. What is symbiotic relationship? Describe it with three suitable examples & their importance in our environment for plants. Computer Q 1. Draw a flow chart of working of computer ? Q2. What is the use of Adobe Photoshop? Q3. Draw the flowchart of compiler program ? S.St. Q1. Make a project to show all the four sphere of environment. Q2. On the historical map of India show independent states of North India(Palas, Pratiharas and Rashtrakutas). Q3. What does numero-uno stands for? Why there is need to implement the laws of the constitution carefully? Art & Craft Q1. Q2. Q3. Q4. What is the role of Art & Craft in our students life? What is the role of colours in our environment ? What is the definition of Still life. Draw a flowerpot on A4 size card board than decoration the wastage materials. Draw a Village Scene the decorate it. Suppose you make hut. You should be use grass, leaves and other parts of plants. SUBJECT –MATHS Q1UNIT – I Rational number Only solve brain teasers Q2 UNIT –II Operation on Rational Number Only solve brain teasers Q3 Find out the value of (a+b+c)2 English th Q.1 You are Amit /Amrita of class 7 . You have found a gold ear ring in the school playground during the recess. Draft a notice board not more than 50 words. Q.2 Write short composition on any one of the following; a. my neighbour b. my loving pet 3….Frame questions for the following answers; 1. 2. 3. 4. 5. The king told the courtier to stop talking the left at 4 o’clock I have bought a blue shirt she came b bus I have eaten fruits G>K> Q1. Write the team names with their owner’s name IPL. Q2. Give a latest report on Nepal earthquake. Q3. Write the present condition of agricultural sector of India.