NCERT Class 6 Science — Chapter 1: Fun with magnets

Which of the following principles explains the directional alignment of a magnetic compass needle?

With reference to the properties of magnets, consider the following statements: 1. Magnetic influence cannot pass through a thin sheet of paper. 2. A magnet tends to lose its properties if kept without magnetic keepers for a long time. 3. A freely suspended magnet aligns in the North-South direction in the absence of other magnets. Which of the statements given above are correct?

Consider the following statements: 1. Soil is completely free of any magnetic particles across all geographical regions. 2. A magnet can be used to separate iron filings from soil. 3. The separation of iron from soil is possible due to the difference in magnetic properties. Which of the statements given above is/are correct?

For a steel needle to function as a compass when floated on water, which of the following is a necessary prerequisite?

Which of the following statements correctly describes the properties of 'Magnetite'?

Consider the following statements regarding the attraction of iron filings to a magnet: 1. The attraction of iron filings is maximum at the poles of a magnet. 2. The magnetic force is strongest at the central region of a bar magnet. 3. The concentration of filings at a point indicates the strength of the magnetic force. Which of the statements given above is/are correct?

Consider the following statements about the shape of magnets: 1. Ball-ended magnets are examples of artificial magnets. 2. Natural magnets are typically found in perfect geometric shapes. 3. Artificial magnets can be made in different shapes such as bar or cylindrical. Which of the statements given above is/are correct?

In the construction of a makeshift floating compass, a cork or foam piece is attached to the needle primarily to:

If a freely suspended magnet fails to align in the North-South direction, which of the following is the most plausible scientific reason?

With reference to magnetic and non-magnetic materials, consider the following statements: 1. All materials found in soil are non-magnetic in nature. 2. A material is termed magnetic if it is attracted by a magnet. 3. Nickel and cobalt are examples of magnetic materials. Which of the statements given above is/are correct?

Consider the following statements regarding the interaction of magnets: 1. A magnet can attract a non-magnetized iron piece. 2. A magnet can repel a non-magnetized iron piece. 3. Repulsion is observed between a magnet and a piece of unmagnetized nickel. Which of the statements given above are correct?

Which of the following actions can cause a magnet to lose its magnetic properties? 1. Heating 2. Hammering 3. Dropping from a height 4. Storing in a wooden box Select the correct answer using the code given below:

Consider the following materials: 1. Iron 2. Nickel 3. Cobalt 4. Plastic Which of the above are classified as magnetic materials?

With reference to the discovery of magnets, consider the following statements: 1. Magnetite is a naturally occurring material that has the property of attracting iron. 2. The name 'magnetite' is derived solely from the chemical composition of the stone. 3. Magnetite is an artificial magnet created by heating iron pieces. Which of the statements given above is/are correct?