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