class7science

Chapter 18: Waste Water Story

Topic 1 : Water our lifeline Topic 2 : Water freshens up – An eventful journey Topic 3 : Sewage water Topic 4 : Waste water treatment plant Topic 5 : Sanitation and disease Topic 6 : Alternative sewage disposal Topic 7 : Public sanitation Multiple choice questions Question and answers Notebook

Chapter 13: Motion and Time

Topic 1 : Slow or fast Topic 2 : Rectilinear motion Topic 3 : Speed Topic 4 : Simple pendulum Topic 5 : Sand clock Topic 6 : Distance and time Topic 7 : Speedometre and odometre Topic 8 : Distance –time graph Multiple choice questions Match the following Question and answers Notebook

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