Ram wants to make a catapult. Which of the following materials can he use to throw a stone with the catapult?
Ram wants to make a magnet. Which of the following materials he cannot make use of?
Ram wants to make a magnet. Which one of these materials are NOT useful to him?
Ravi has a mixture of sugar and small pieces of stones. He wants to separate the two materials. What are the processes which he can use to separate the items? Explain. [5 MARKS]