Chapter 1 : Living World and Classification of Microbes

Title / Topic Click for Solution
Prepare a chart showing infectious bacteria and the diseases caused by them. View Solution
Visit a nearby pathology lab. Get information about pathogenic microbes, methods to observe them and different microscopes. View Solution

Chapter 2 : Health and Diseases

Title / Topic Click for Solution
Prepare posters giving information about various diseases, public awareness and arrange exhibition in school. View Solution
Visit the public health centre or clinic nearby and collect information about vaccination. View Solution
Compose a street-play to increase public awareness about dengue, malaria and swine flu. View Solution


Chapter 3 : Force and Pressure

Title / Topic Click for Solution
Video record all the experiments (Try It) in this chapter with the help of a mobile phone and send to others. View Solution

Chapter 4 : Current Electricity and Magnetism

Title / Topic Click for Solution
Present all the activities that you performed in this chapter in a Science exhibition. View Solution

Chapter 5 : Inside the Atom

Title / Topic Click for Solution
Explain atomic models using materials such as old CDs, balloons, thread, marbles, etc. View Solution

Chapter 6 : Composition of Matter

Title / Topic Click for Solution
Collect wrappers of ready-made food items. Prepare a chart of foodstuff and identify ingredients as organic or inorganic. View Solution

Chapter 7 : Metals and Nonmetals

Title / Topic Click for Solution
Collect information about how silver foil (Varkha) used in sweets is made and which metals are used to make it. View Solution

Chapter 8 : Pollution

Title / Topic Click for Solution
Visit the water testing laboratory in your area and collect information about tests for checking water quality. View Solution
Visit the square having heavy traffic in your area and report pollution at different times of day. View Solution

Chapter 9 : Disaster Management

Title / Topic Click for Solution
Make a collection of news, photos and cuttings about landslides and rift collapse. View Solution
Collect information about the latest gadgets and technology used to forecast earthquakes. View Solution
Collect information about NDRF, RPF, CRPF and NCC from the internet. View Solution
Discuss the need of CCTV. View Solution

Chapter 10 : Cell and Cell Organelles

Title / Topic Click for Solution
Prepare a model of a cell using different eco-friendly materials. View Solution
Study osmosis using parchment paper or a similar membrane. View Solution
Form a friends' group in your class. Give each one role of a cell organelle and present a skit accordingly. View Solution

Chapter 11 : Human Body and Organ System

Title / Topic Click for Solution
Collect information about various modern treatments on heart diseases. View Solution

Chapter 12 : Introduction to Acid and Base

Title / Topic Click for Solution
Write in your own language the uses and importance of neutralization reaction in daily life. View Solution

Chapter 13 : Chemical Change and Chemical Bond

Title / Topic Click for Solution
Prepare a list of the chemical changes that occur in your house and surroundings and discuss them in the class. View Solution

Chapter 14 : Measurement and Effects of Heat

Title / Topic Click for Solution
Collect information about bimetallic strips and discuss in your class how a fire alarm is made using it. View Solution

Chapter 15 : Sound

Title / Topic Click for Solution
Take two plastic glasses and a thread between them to make a toy phone. Discuss your conclusions. View Solution
Take a plastic or tin can and a rubber balloon. Observe the dancing grains and discuss the reason behind it. View Solution

Chapter 16 : Reflection of Light

Title / Topic Click for Solution
Apollo astronauts who stepped on the moon have kept some large mirrors there. Collect information about how the distance to the moon is measured using these mirrors. View Solution

Chapter 17 : Man Made Materials

Title / Topic Click for Solution
Collect information about the plastic used in production of utensils used in microwave ovens. View Solution
Collect information about the material used in production of denture (a set of artificial teeth). View Solution

Chapter 18 : Ecosystems

Title / Topic Click for Solution
Visit an ecosystem nearby. List the biotic and abiotic factors in it and show with pictures or sketches how they are dependent on each other. View Solution
With the help of internet find out the loss of ecosystems due to wars or atomic explosions. Describe in your words. View Solution

Chapter 19 : Life Cycle of Stars

Title / Topic Click for Solution
Use your imagination and make models of the Milky Way and the Solar System. View Solution
Write the effects : If the Sun disappears. View Solution
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