Let our kids exercise
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#1. The major or main uses of Oxygen are the following except __________
#2. _________________ is not a source of carbon monoxide
#3. During photosynthesis, plants release or give out _____________-
#4. The following are the properties of carbon monoxide except
#5. The moving mixture of many gases is called ________________
#6. _____________ gas prevents rapid burning, used to make fertilizers ,does not provoke fizzy in soft drinks like in SODA
#7. Sound transmits through _____
#8. 21% is the amount of ________________ in air
#9. Which gas is almost 1/5 of air
#10. The process by which green plants make their own food is called _________________-
#11. The following are composition of air except
#12. The gases which trap heat in the atmosphere are called ____________
#13. ________________ is not the importance or use or function of Carbon dioxide
#14. Which from the list are the green house gas ?
#15. During respiration, plants release or give our ___________________
#16. Which gas is used in lighting the bulb ?
#17. The following are the properties of air except _________
#18. Which from the list is not a source of carbon dioxide
#19. The following are the types of wind except ________________
#20. The following are the effects of carbon monoxide except
