Forests: Our Lifeline — Science STD 7 — Question

State whether the following statements are True or False. If wind flows from land to the ocean, then it is day time.

What is the common property of most of the clocks?

Fill in the blanks: Temperature of boiling water cannot be measured by a __________ thermometer.

Note the changes in shape, size or state : Chopping vegetables

How do plants absorb water and minerals from soil?

How many elements are currently known?

Classify the changes involved in the following processes as physical or chemical changes: Photosynthesis

What do you mean by absorption in terms of digestion of food?

Name the parts of the alimentary canal where
(a) water gets absorbed from undigested food
(b) digested food gets absorbed
(c) taste of the food is perceived
(d) bile juice is produced

Fill in the blanks in the following statements. Silk fibres come from _______ of silk _______.