CBSE Class 9 Science Sample Paper Set 26

PRACTICALS

Practical should be conducted alongside the concepts taught in theory classes.

1. To verify laws of reflection of sound.

2. To determine the density of solid (denser than water) by using a spring balance and a measuring cylinder.

3. To establish the relation between the loss in weight of a solid when fully immersed in 

    a. tap water

    b. strongly salty water, with the weight of water displaced by it by taking at least two different solids.

4. To observe and compare the pressure exerted by a solid iron cuboid on fine sand/ wheat flour while resting on its three different faces and to calculate the pressure exerted in the three different cases.

5. To determine the velocity of a pulse propagated through a stretched string/slinky.

6. To study the characteristic of spirogyra/Agaricus, Moss/Fern, Pinus( either with male or female cone) and an Angiospermic plant. Draw and give two identifying features of groups they belong to.

7. To observe and draw the given specimens-earthworm, cockroach, bony fish and bird. For each specimen record:

    a. one specific feature of its phylum.

    b. one adaptive feature with reference to its habitat.

8. To verify the law of conservation of mass in a chemical reaction.

9. To study the external features of root, stem, leaf and flower of monocot and dicot plants.

10. To study the life cycle of mosquito.

VALUE BASED QUESTIONS

Que.1 Raman lives in a coastal village. He is the son of a fisherman. Whenever any unwanted animal comes in the net, instead of killing it, he puts it back in the sea.

Answer the following questions based on above information: 

    i) What would have happened, had he killed those animals?

    ii) Give one reason to justify that Raman’s action is environment friendly.

    iii) How can you contribute in the preservation of flora and fauna around you? Mention any two steps.

Que.2 The number of dengue cases had increased in Pooja’s village in last one year. She read in her textbook that diseases like dengue spread through mosquitoes which breed in stagnant water. She immediately suggested her friends and decided to kill the mosquitoes in water bodies in the locality. They also took help of nearest municipal office.

Answer the following questions based on above information: 

    i) Which preventive measures do you suggest for the prevention of such diseases caused by mosquitoes? Mention any two measures.

    ii) Which values are displayed by Pooja in taking initiative?

    iii) Suggest one school activity to promote such values in school students.

Please refer to attached file for CBSE Class 9 Science Sample Paper Z