Three identical iron bars are kept on a table. Two out of three bars are magnets. In one of the magnets the North-South poles are marked. How will you find out which of the other two bars is a magnet? Identify the poles of this magnet

(a) What do you understand by the term 'classification'?
(b) Differentiate between transparent and opaque materials. Give two examples for each.
(c) How can we make a normal paper translucent?

One day Arun and Raj were playing cricket in a field along with their classmates. Suddenly Raj fell down very badly while he was trying to take a catch. Seeing this Arun ran towards him and found that he was not able to lift his left hand. So Arun immediately cushioned his hand by his sweater and took him to a nearby doctor. After examining Raj, the doctor, told them that Raj had dislocated one of the bones at the joint and had a minor fracture in his left hand. But he consoled them that after proper treatment Raj would get well soon.
(i) Name the types of joints found in the human body.
(ii) What values are possessed by Arun?
(iii) What values are possessed by the doctor?

Write the main drawbacks of plastics.

SNAKES AND LADDERS
Make a board-game just like' snakes and ladders' with 10 - 10 grid boxes.
The mouth of the snake will represent the faulty food habit or faulty method of cooking. Its tail will represent the deficiency disease caused or loss of any nutrient in food.
Similarly, the box at the base of a ladder will represent healthy food habit or healthy method of cooking. Its upper end will represent the beneficial effect of that habit. An example is given as Fig. Complete the board and play with your friends.

Observe the items given in fig. carefully and answer the questions that follow.

(a) Food item rich in carbohydrates is _______
(b) Egg is a rich source of protein, the mineral, ________ and vitamin _________
(c) _______ is a rich source of fat.
(d) Milk provides ________, vitamin D and ________ (mineral)
(e) _______ (fruit) is a rich source of vitamin A.
(f) Spinach is a good source of the mineral _________
(g) Both eggs and ________ are rich in ________.

Solve the cross-word puzzle given as Fig. from the clues given below.

Across
1. Lack of nutrients in our diet over a long period causes these diseases (10)
2. Rice and potato are rich in this type of carbohydrate (6)
3. Deficiency disease in bones making them become soft and bent (7)
4. The diet that provides all the nutrients that our body needs, in right quantities, along with adequate amount of roughage and water (8,4)
5. Deficiency disease with bleeding gums (6)
6. Disease caused due to deficiency of iodine (6)
Down
7. Starch and sugar in our food are rich in this type of energy giving nutrient (13)
8. The term given to the useful components of food (9)
9. The disease caused by deficiency of iron in diet (7)
10. Green leafy vegetables, liver and apples are rich in this mineral (4)
11. Deficiency disease caused due to lack of Vitamin Bl in the diet (8)

What are the adaptive features of a lion that help it in hunting?

Identify the wrong statements and correct them.
(a) Anther is a part of the pistil.
(b) The visible parts of a bud are the petals.
(c) Lateral roots are present in a tap root.
(d) Leaves perform the function of transpiration only.

In the given table, check whether the given changes can be reversed or not.

You are provided with a mixture of salt, sand, oil and water. Write the steps involved for the separation of salt, sand and oil from the mixture by giving an activity along with the diagram

Read the names of animals written in the inner ring of Fig. Within the second ring write the types of food they eat and the category to which they belong (based on the eating habit) in the outer most ring. One example has been worked out for you. Use red, green and blue colours for writing.

Sachin was in the habit of making aeroplanes with his notebook papers. He used to tear off notebook pages and make paper aeroplanes. One day, his mom objected to this action. He collected all the waste papers and packed them in polybag and threw it outside through the window.
Now, answer the following questions:
(a) Do you think Sachin's action was responsible?
(b) What would you have done if you were in his place?
(c) What values do you observe in Sachin?

A football match is being played at night in a stadium with flood lights ON. You can see the shadow of a football kept at the ground but cannot see its shadow when it is kicked high in the air. Explain.

In the figure given below, there are two snakes of the same size slithering on sand. Can you identify which of them would move faster and why?

Explain the process of cloud formation with the help of diagram.

Chalk, iron nail, wood, aluminium, candle, cotton usually look different from each other. Give some properties. by which we can prove that these materials are different.

Rohit and Raman are best friends. They study in different class but in the same standard, Class VI. One day, they were playing in the school. They were throwing sand on each other. Suddenly Raman asked to Rohit if we mix salt in sand, then how will you separate the mixture of sand and salt?
Rohit was quite intelligent, his science teacher had completed the chapter separation of substances last week. So, he immediately explained the method of separation. Rohit told him that his teacher had shown this activity in the class and same method is applicable for the separation of mixture of sugar and sand.
Read the passage carefully and answer the following questions:
(a) How a mixture of sand and salt is separated?
(b) Name the method(s) which are applicable in the separation of this mixture.
(c) What values are shown by Rohit?

Manvi was going to her friend's birthday. She enjoyed parties but today she was not feeling good. When her friend's mother observed this, she asked Manvi whether she is all right. Manvi told her that she has not eaten any food from the morning as she waited for the party. Manvi's friend told her to sit down and have some food. She obeyed and finished her food.
(a) Why was Manvi not feeling well?
(b) Name the components present in food. Out of these components, which are energy yielding ones?
(c) What values do you observe in Manvi?

Given figure shows some insects and a place where it collects its food.

(a) Name the insect and the place where it lives as shown in the figure.
(b) What is the food of this insect?
(c) How does it help farmers while collecting its food?
(d) Name the product we collect from this insect.
(e) Name the nutritive constituents of the insect.