HOMEWORK 1:
SUBMISSION DATE: 08/01/2017
1. You are given an iron strip. How will you make it into a magnet?
2.Column I shows different positions in which one pole of a magnet is placed near that of the other. Column II indicates the resulting Acids
3. A magnet was brought from different directions towards a toy boat that has been floating in water in a tub. Affect observed in each case is stated in
Column I. Possible reasons for the observed affects are mentioned in
Column II. Match the statements given in Column I with those in Column II.
HOMEWORK 2
SUBMISSION DATE: 15/01/2017
SUBMISSION DATE: 08/01/2017
1. You are given an iron strip. How will you make it into a magnet?
2.Column I shows different positions in which one pole of a magnet is placed near that of the other. Column II indicates the resulting Acids
Column I | Column II |
N-N | _____________ |
N-___________ | Attraction |
S-N | ____________ |
__________-S | Repulsion |
3. A magnet was brought from different directions towards a toy boat that has been floating in water in a tub. Affect observed in each case is stated in
Column I. Possible reasons for the observed affects are mentioned in
Column II. Match the statements given in Column I with those in Column II.
Column I | Column II |
Boat gets attracted towards the magnet | Boat is fitted with a magnet with north pole towards its head |
Boat is not affected by the magnet | Boat is fitted with a magnet with South pole towards its head. |
Boat moves towards the magnet if North pole of the magnet is brought near its head. | Boat has a small magnet fixed along its length. |
Boat moves away from the magnet when North pole is brought near its head. | Boat is made of magnetic material. |
Boat floats without changing its direction. | Boat is made up of non-magnetic material |
HOMEWORK 2
SUBMISSION DATE: 15/01/2017
4.Q1: What is magnet?
Q2: Magnetite is a natural magnet. (TRUE/FALSE)
Q3: Artificial magnets are made in different shapes. Give some examples.
Q4: Magnetite contains __________.
Q5: What are magnetic materials?
Q6: What are non-magnetic materials?
Q7: Give two examples each of magnetic and non magnetic material.
Q8: Plastic is a __________material.(magnetic/non-magnetic)
Q9: A magnet has _______poles.
Q10: Magnet was first discovered in Greece. Is the statement true?
SUBMISSION DATE: 20/01/2017
Q1: Rag pickers always suffer from diseases why?
Q2: Why earthworm’s are called farmer friend?
Q3: Which kind of garbage is not converted into compost by the red worms?
Q4: Do you saw any anyother organism other than earthworm in a compost pit?
Q5: Garbage disposal the responsibility only of the government? do you agree with the statement?
SUBMISSION DATE: 25/01/2017
Q6: what do you do with the left over food at home?
Q7: If you and your friend are given the choice of eating in a plastic plate or a banana leaf platter at a party, which one would you prefer and why?
Q8: How will you make a vermicomposting pit?
Q9: Describe steps involved in recycling a paper.
Q10: Enlist all plastic items that we use in our daily life.