Class 4 Science Chapter 3 Test 3 Updated: 11 Jun 2022 475 Welcome to your Class 4 Science Chapter 3 Test 3 1. ________ is the easiest way to clean water. Filtration Distillation Boiling None of these 2. It is necessary for the prevention from contagious disease: wearing mask, washing hand, vaccination. Wearing mask, washing hand, sitting in the sun Washing hands, sitting in the sun, sleeping more Vaccination, washing hand, not sitting in the sun 3. Blood circulates in the body and provides oxygen and food to every part of the body due to ________ Vitamins Minerals Water None of these 4. If our body temperature increases from 98.6F to 101F then its cause is: Hot weather Fever Sitting in the sun Sitting near fire 5. If you have flu then what will do to save yourself and other? Will exercise Will sleep for more time Will sit in the sun Will wear mask 6. Air consists of ________ Gases Dirt Particles All of these 7. What is cause of polio? Bacteria Virus House fly Mosquito 8. In which food most of the calcium is found? Meat Rice Milk Pulse 9. Different dust particles in air mix with rain water and make them _________ Clean Filter Distilled Polluted 10. _______ percent of human body consists of water. 60 70 80 50 Time's up
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