Class 4 Science Chapter 5 Test 2 Updated: 12 Jun 2022 513 Welcome to your Class 4 Science Chapter 5 Test 2 1. Doctors usually measure temperature in _______ scale. Centigrade Fahrenheit Kelvin None of these None 2. Heat is a form of ________. Matter Energy Coal Oil None 3. Sound cannot travel in________. Vacuum Iron Medium None of these None 4. When the bulb of thermometer touches a cold object, the mercury or alcohol _______ Expands Contracts Both at same time None of these None 5. Heat always travels from _________ object. Cold to hot Hot to cold Hot to hot Cold to cold None 6. When the bulb of thermometer touches a hot object, the mercury or alcohol _______________ Expands Contracts Both at same time None of these None 7. _________ use echo to catch its prey in darkness. Rat Cat Bat None of these None 8. The instrument used to measure temperature is called ______. Temperature Energy Thermometer None of these None 9. Fahrenheit and degree centigrade are the units of _______. Hotness Coldness Temperature None of these None 10. _______ is used to measure the hotness or coldness of an object. Temperature Energy Thermometer None of these None 11. To describe the condition of weather, _______ is used. 0F oC oFa oCd None 12. The sound reaches our ears through particles of the _______ Vacuum Light Air None of these None 13. A hard and smooth object ________ sound better. Refracts Reflects Both a & b None of these None Time's up
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