Class 3 Exam > Class 3 Notes > GK Olympiad for Class 3 > Achievers Section: Science and Technology
Achievers Section: Science and Technology | GK Olympiad for Class 3 PDF Download
Q1: The given image is of a HoloLens, i.e., a virtual reality (VR) headset with transparent lenses, based on mixed reality platform “Windows Holographic”. It is developed and manufactured by _________.
(a) Google
(b) Microsoft
(c) Apple
(d) Adobe
Ans: (b)
Sol: HoloLens give a 9-D effect of the happenings which means that the user feels like everything around is happening with the user in reality.
Q2: From __________, the sky appears to be black while from _________, the sky appears to be blue.
(a) space, earth
(b) earth, space
(c) sun, earth
(d) earth, sun
Ans: (a)
Sol: There is no atmosphere in the outer space. So, the sky appears to be black from there.
Q3: At any time, falling towards earth, human beings do not experience __________________.
(a) any swing
(b) any weight
(c) any light weight
(d) light weight
Ans: (b)
Sol: Due to the earth’s gravitational force, any freely falling body experiences no weight or weightlessness.
Q4: Who is the founder of WhatsApp?
(a) Mark Zuckerberg
(b) Tim Cook
(c) Brian Acton and Jan Koum
(d) Steve Jobs
Ans: (c)
Sol: Brian Acton and Jan Koum established WhatsApp in 2009.
Q5: Match the following.
Ans: (b)
Sol: Broquet invented helicopter, Cerf invented internet, Diehl invented ceiling fan and Nobel invented dynamite.
The document Achievers Section: Science and Technology | GK Olympiad for Class 3 is a part of the Class 3 Course GK Olympiad for Class 3.
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FAQs on Achievers Section: Science and Technology - GK Olympiad for Class 3
| 1. What are some basic concepts in science and technology that a Class 3 student should know? |  |
Ans. A Class 3 student should be familiar with basic concepts such as the properties of matter (solids, liquids, gases), simple machines (like levers and pulleys), the importance of plants and animals in our ecosystem, basic electricity (like batteries and circuits), and the role of technology in our daily lives (like computers and the internet).
| 2. How can I help my child understand scientific concepts better? | |
Ans. You can help your child by using everyday examples to explain scientific concepts. Engage them in simple experiments at home, such as mixing baking soda and vinegar to demonstrate a chemical reaction. Encourage them to ask questions and explore nature, which helps develop their curiosity and understanding of science.
| 3. What types of projects can a Class 3 student do related to science and technology? | |
Ans. Some project ideas include creating a simple volcano using baking soda and vinegar, building a bird feeder to observe wildlife, making a simple circuit with a battery and a bulb, or conducting a plant growth experiment by varying light or water conditions. These projects are not only fun but also educational.
| 4. Why is it important for children to learn about technology at a young age? | |
Ans. Learning about technology at a young age helps children develop critical thinking and problem-solving skills. It prepares them for a future where technology plays a significant role in everyday life and various careers. Understanding technology also enhances their ability to use tools and resources effectively for learning.
| 5. What resources are available for teaching science and technology to Class 3 students? | |
Ans. There are many resources available, including educational websites, science kits, and books specifically designed for young learners. Online platforms like Khan Academy or educational YouTube channels provide engaging videos. Local libraries often have science and technology sections with age-appropriate books and experiments for children.
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