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Welcome to 2nd Class, Room 9. We have 22 children in our class - 8 girls and 14 boys. We work really well together and are great friends. Remember to click on photos to see them enlarged.
You can get water to spill sideways by pouring the water down along a string. The water holds tightly on to the string by surface tension and travels along the string instead of spilling straight down. Detergent Power
Our speed boat is floating on the water.
We can break the surface tension of the water by squirting in some wash up liquid. When we do this the boat will shoot forward. Water Races
Does water flow faster if you shake or squeeze the bottle?........
….No, it doesn’t, but if flows faster if you make a tornado in the bottle by swirling the bottle of water. Making a tornado is fun. You can make one by joining two bottles together with plumbers tape. Start the tornado by swirling the water in the top bottle.
Making Boats
Does marla float or sink? Both. If it is in a ball it will sink but you can make it into a boat shape and it will float.We made boats and then when they could float we filled them with peas (passengers)
Flat thin shapes with high sides seem to make the best boats.