Category: Uncategorized
Forests: Our Lifeline
Here are 10 one-word answer type questions from the chapter “Forests: Our Lifeline” along with their answers and explanations (all explained after each question-answer): 1) Question: What is the uppermost layer of vegetation in a forest called? Answer: Canopy Explanation: The branches and leaves of tall trees in a forest form the topmost layer, called…
SUNLIGHT — WHITE OR COLOURED?
Topic: Sunlight — White or Coloured? Sunlight appears white but is actually made up of seven colours. This can be seen in a rainbow or when light passes through a prism. This splitting of white light into colours is called dispersion. 1. Question: How many colours are present in a rainbow? Answer: Seven Explanation: A…
IMAGES FORMED BY LENSES
Here are 10 one-word answer type questions from the topic Images Formed by Lenses with their answers and explanations: Topic: Images Formed by Lenses Lenses are transparent objects which bend light rays. There are two types of lenses – convex lens and concave lens. They form different kinds of images depending on the position of…
PLAYING WITH SPHERICAL MIRRORS
It seems that the section “Playing with Spherical Mirrors” is either missing or could not be located in the PDF. However, based on the standard content of Class 7 Science NCERT book under this topic, I can prepare 10 one-word answer type questions with answers and explanations (as you requested). Here they are: Topic: Playing…
RIGHT OR LEFT!
Here are 10 one-word answer type questions from the topic Right or Left! with their answers and explanations: Topic: Right or Left! When we see our image in a plane mirror, the left side of the object appears on the right side in the image and the right side appears on the left. This is…
REFLECTION OF LIGHT
Here are 10 one-word answer type questions from the topic Reflection of Light along with their answers and explanations: Topic: Reflection of Light When light falls on a polished or shiny surface, it bounces back. This change in direction of light is called reflection of light. Mirrors, water surfaces, and shiny metals reflect light and…
LIGHT TRAVELS ALONG A STRAIGHT LINE
Here are 10 one-word answer type questions from the topic Light Travels Along a Straight Line with their answers and explanations: Topic: Light Travels Along a Straight Line Light always travels in a straight line. This property is called the rectilinear propagation of light. It helps in the formation of shadows and explains why we…
light
Here are 10 one-word answer type questions from the topic Light with their answers and explanations: Topic: Light Light is a form of energy that enables us to see objects. It travels in a straight line and can be reflected by shiny surfaces. Mirrors and lenses form images of objects based on the behavior of…
ELECTRIC BELL
Here are 10 one-word answer type questions from the topic Electric Bell with their answers and explanations: Topic: Electric Bell An electric bell works on the principle of the magnetic effect of electric current. It uses an electromagnet to produce sound. The working of an electric bell involves the repeated making and breaking of an…
ELECTROMAGNET
Here are 10 one-word answer type questions from the topic Electromagnet with their answers and explanations: Topic: Electromagnet An electromagnet is a coil of insulated wire wrapped around a piece of soft iron. When electric current flows through the coil, the iron behaves like a magnet. Electromagnets are used in many devices like electric bells,…