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Arrange in Correct sequence
Stomach → Large intestine → Oesophagus → Pharynx → Mouth → Small Intestine → Rectum → Anus
Concept: undefined >> undefined
What will happen if the diaphragm shows no movement?
Concept: undefined >> undefined
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An object that is attracted by magnet.
Concept: undefined >> undefined
People who made mariner’s compass for the first time.
Concept: undefined >> undefined
Artificial magnets are made in different shapes such as ______, _____ and _______.
Concept: undefined >> undefined
Maximum iron filings stick in the middle of a bar magnet when it is brought near them.
Concept: undefined >> undefined
Around 97% of water available on earth is ______ water.
Concept: undefined >> undefined
Water levels in rivers increase greatly during ______.
Concept: undefined >> undefined
Condensation results in the formation of dew on grass.
Concept: undefined >> undefined
Sea water can be used for irrigation as such.
Concept: undefined >> undefined
Match the following
| 1. | Flood | Lake |
| 2. | Surface water | Evaporation |
| 3. | Sunlight | Water vapour |
| 4. | Cloud | Pole |
| 5. | Frozen water | Increased rainfall |
Concept: undefined >> undefined
Write a few slogans of your own on the topic “Save Water”
Concept: undefined >> undefined
Look at the map of Tamilnadu showing annual rainfall and answer the questions given below

- Identify the districts that get only low annual rainfall in Tamilnadu.
- Identify the districts that get a medium annual rainfall in Tamilnadu.
- State the districts that enjoy high annual rainfall in Tamilnadu.
Concept: undefined >> undefined
______ gas causes tears in our eyes while cutting onions.
Concept: undefined >> undefined
NPK are the primary nutrients for plants.
Concept: undefined >> undefined
It is a biodegradable waste.
Concept: undefined >> undefined
_______ is the process of converting waste materials into new materials.
Concept: undefined >> undefined
Take a square paper. Fold its diagonals. Draw three lines in three triangles as shown in the picture.

Cut from the edge of the diagonal to the center as shown in the picture.
If you fold this triangle and paste it behind the third triangle you get a pyramidal shape.
In one of the triangles, draw images of each of the organisms in the different levels.
In another triangle write the names of the organisms. In the last triangle, write the energy level of the organism. Have a look at the following example. You must come up with different organisms!.
Concept: undefined >> undefined
One of the following birds is an example of plant pollinator
Concept: undefined >> undefined
