Science Test Gr.3(Class 7-10) Science Test For Gr-3(Class 7 to 10) 0% Time Limit 10 minutes Maximum Allowed Time Is over Your Paper Successfully Sent. school1 Science Test for group-3(Class 7 to 10) 1 / 50 What is the largest mammal? Elephant Giraffe Blue Whale 2 / 50 What is the main component of Earth's atmosphere? Carbon Dioxide Oxygen Nitrogen 3 / 50 What is the hardest natural substance on Earth? Iron Diamond Gold 4 / 50 The three states of matter are solid,liquid and… gum gas grain 5 / 50 What is the speed of light in vacuum? 1,000,000 km/s 300,000 km/s 150,000 km/s 6 / 50 Differentiate between solids, liquids, and gases based on their characteristics. Solids have fixed shape and volume, liquids take the shape of the container, gases have neither shape nor volume Solids are shapeless, liquids have fixed shape, gases have fixed volume Solids have neither shape nor volume, liquids take the shape of the container, gases have fixed shape and volume 7 / 50 Diseases which are caused by microorganisms are called contagious infectious veneral 8 / 50 Removal of water from an item of food is called dehydration boiling freezing 9 / 50 Which animal gnaw and nibble on nuts and fruits squirrel goat cow 10 / 50 Explain the characteristics of particles of matter. No kinetic energy Stationary particles Attract each other 11 / 50 Which animal says 'Meow'? Cat Dog Cow 12 / 50 During photosynthesis plants take oxygen and release carbob di oxide both of these take carbon di oxide and release oxygen 13 / 50 What is the national sport of India? Cricket Hockey Football 14 / 50 Which bones are formed by the collar bone and the shoulder blades ? shoulder bone arm bone upper arm 15 / 50 All things are made up of wood plastic matter 16 / 50 How many months are there in a year? 10 14 12 17 / 50 Which of these are common roots that we eat ? ginger & mint carrot & potato mint & onion 18 / 50 What is the acceleration due to gravity on Earth? 10.2 m/s² 9.8 m/s² 8.9 m/s² 19 / 50 Who was the first person to walk on the moon? Yuri Gagarin Buzz Aldrin Neil Armstrong 20 / 50 What is the value of Pi (π) approximately? 3.14 3.12 3.16 21 / 50 Air is a …........ mixture element compound 22 / 50 What is the tallest mountain in the world? Mount Everest K2 Kangchenjunga 23 / 50 The skull covers and protects the…. eyes head brain 24 / 50 Which is the smallest planet in our solar system? Venus Mercury Mars 25 / 50 What is H2O commonly known as? Oxygen Hydrogen Water 26 / 50 Which one of the following is a step in the formation of soil ? both of these weathering of rocks addition of humus 27 / 50 How many days are there in a week? 5 6 7 28 / 50 What is the powerhouse of the cell? Nucleus Mitochondria Ribosome 29 / 50 What is the SI unit of work? Joule Newton Watt 30 / 50 Plants which grow on other plants to survive are called aquatic plants parasitic plants terrestrial plants 31 / 50 What is 144 divided by 12? 14 10 12 32 / 50 Which of these is not a source of light ? sun & stars lamp & bulb sun & chair 33 / 50 Where is the shadow of an object formed ? on the same side of the source. under the object on the opposite side of the source. 34 / 50 …...pollution comes from burning of fuel to run vehicles water pollution noise pollution air pollution 35 / 50 Which device is used to measure temperature ? barometer thermometer manometer 36 / 50 Which force keeps the planets in orbit around the Sun? Gravitational Force Nuclear Force Magnetic Force 37 / 50 Which of the following vitamins is prepared in our body with the help of sunlight ? vitamin B vitamin A vitamin D 38 / 50 Describe the process of diffusion with an example. Diffusion is the separation of substances through a semipermeable membrane. Example: Cooking pasta. Diffusion is the movement of particles from a region of lower concentration to higher concentration. Example: Lighting a candle. Diffusion is the mixing of particles of two substances due to their random motion. Example: Spreading perfume in a room. 39 / 50 What is the name of our galaxy? Andromeda Milky Way Sombrero 40 / 50 What is matter? Something without mass Energy Anything with mass and volume 41 / 50 What is the largest ocean on Earth? Atlantic Indian Pacific 42 / 50 Bile is produced in…. liver blood spleen 43 / 50 What is the name of the first artificial satellite launched into space? Apollo 11 Sputnik 1 Voyager 1 44 / 50 Good conductors of heat contains both of these nonmetals metals 45 / 50 What is the capital of India? Kolkata Mumbai Delhi 46 / 50 Which gas do humans breathe in? Oxygen Helium Carbon 47 / 50 How many bones are there in an adult human body? 210 206 208 48 / 50 The process of digestion of our food begins in our intestine stomach mouth 49 / 50 Which of these need wind to move ? boat & windmill car & aeroplane train & cycle 50 / 50 Which one is filled in the bulb of a thermometer ? copper mercury lead Your score is LinkedIn Facebook VKontakte 0% Exit