https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw Made with big dreams en-us 2018-02-05 02:07:03 UTC 2025-10-29 06:03:18 UTC hello@padlet.com https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227956494 Elizabeth
Afiqah
Shianne Han
Jara
Ning]]> 2018-02-05 03:44:12 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227956494 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227956522 Cheyenne
Iman
Sneha
Yoo jin
jaymyn]]> 2018-02-05 03:44:25 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227956522 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227956534 Sarah
Selina
Jamie
Valerie
Arielle

]]> 2018-02-05 03:44:30 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227956534 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227956609 Diya
Li Yi
Anne
Naajihah

]]> 2018-02-05 03:44:57 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227956609 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227956612 Nicole, Lichelle, Sowndharya, Emily and Audrey]]> 2018-02-05 03:44:58 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227956612 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227956624 Kirsten
Saanvi
Nadya
Wei Ning 
Crystal]]> 2018-02-05 03:45:03 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227956624 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227956641 Cayla, Anaya, Sharon, Harika, Kate]]> 2018-02-05 03:45:10 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227956641 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227956859 Nidhi
Rachelle
Jessie
Jia Hui
Anwesha]]> 2018-02-05 03:46:37 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227956859 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957091 We saw:
-the  ball of plasticine sinks when put in water
-the ping pong ball floats when put in water]]> 2018-02-05 03:48:03 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957091 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957121 I can see Mr Lim putting a ping pong ball and a ball of plasticine into the water one by one. I then can see a floating ping pong ball and a sinking plasticine that is of the same size and shape. ]]> 2018-02-05 03:48:12 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957121 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957122 Mr lim dropped the ping pong ball into a container of water. The ping pong ball floated. But when he dropped a lump of plasticine about the same size of the ping ping ball, the plasticine ball sunked and bubbles floated to the top.]]> 2018-02-05 03:48:12 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957122 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957147 The ping pong ball floated in the water and the plasticine ball sank when it was dropped into the container filled with water.]]> 2018-02-05 03:48:26 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957147 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957231 The ping pong ball floats on water while the plasticine sinks in water]]> 2018-02-05 03:49:02 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957231 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957243 The ping pong ball floated on the surface of the water while the plasticine sank to the bottom]]> 2018-02-05 03:49:06 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957243 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957266 We saw a ping pong ball float and a plasticine ball sink]]> 2018-02-05 03:49:14 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957266 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957313 The ping pong ball floated on the water while the ball of plasticine, which was about the same size as the ping pong ball,sank.]]> 2018-02-05 03:49:37 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957313 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957651 The ping pong ball floats because it was filled with air and has lesser amt of density of the water. The plasticine sank because it has a higher amt of density than the water. Although they had the same size and shape, one float and one sank. ]]> 2018-02-05 03:52:01 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957651 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957664 we think that...
-the ball of plasticine has higher density compared to the ping pong ball
-the air in the ping pong ball caused the ping pong ball to float]]> 2018-02-05 03:52:07 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957664 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957665 We think that the plasticine ball has more density than the water therefore it sinks but the ping pong ball has lesser density than the water as there is air inside the ping pong ball thus it floats.]]> 2018-02-05 03:52:07 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957665 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957667 The ping pong ball has lower density than the water and thus it floats on water. The plasticine has higher density than the water and thus it sinks in water.]]> 2018-02-05 03:52:10 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957667 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957671 The ping pong ball has a lower amount of density, so it on the surface of the water.But the plasticine has a higher amount of density so it sank. They both have different mass and density.]]> 2018-02-05 03:52:11 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957671 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957672 The ping pong ball has a lower density than the lump of plasticine]]> 2018-02-05 03:52:12 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957672 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957675 We think:
- The plasticine has more density than the ping pong ball
- There is more air trapped in the ping pong ball than the plasticine ]]> 2018-02-05 03:52:14 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957675 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957686 The ping pong ball is less dense than water while the ball of plasticine is denser than water.]]> 2018-02-05 03:52:17 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227957686 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958199 How does density affect the position of the object in the water?]]> 2018-02-05 03:56:14 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958199 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958204 Our questions:
-Does the size of the ping pong ball or plasticine affects its ability to float or sink in water?
-How does the density affects how it sinks or floats on/in water?]]> 2018-02-05 03:56:15 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958204 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958207 -Why does an object with a higher density sink in water?
-What determines the density of the object?
-Why does the plasticine ball have a higher density than the ping pong ball?

]]> 2018-02-05 03:56:16 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958207 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958212 Does density affect volume or vice versa? 
Why does an object with a higher density than the water sink?]]> 2018-02-05 03:56:18 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958212 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958214 •Why does one of them float while the other sinks when they are of the same shape and size?
•How does the density of the objects affect their ability to sink and float in water]]> 2018-02-05 03:56:18 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958214 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958237 we wonder why...
-why can’t the plasticine float when it’s rolled into a ball and put into water but it can float when it is rolled into a boat and put into water?
-why do people make ping pong balls filled with air?]]> 2018-02-05 03:56:25 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958237 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958239 If the ball of plasticine was dropped into the ocean,would it sink all the way to the bottom of the ocean?

Did the shapes of the plasticine ball and the ping pong ball affect their density?]]> 2018-02-05 03:56:26 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958239 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958252 Why do objects with lower density float?????????????]]> 2018-02-05 03:56:31 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958252 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958857  Flatten the plasticine as much as you can and make it into the shape of a bowl.


]]> 2018-02-05 04:00:44 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958857 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958893 Shape the plasticine into a bowl, such that the plasticine is hollow in the centre.]]> 2018-02-05 04:01:01 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958893 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958998 We have to make the plasticine thin]]> 2018-02-05 04:01:43 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227958998 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959036
We used a “rolling pin” to flatten 
we shaped the plasticine into a boat so that water cannot flow into the “boat”


]]> 2018-02-05 04:02:02 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959036 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959061 We shaped the plasticine into the shape of a bowl]]> 2018-02-05 04:02:14 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959061 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959067 1. Flatten the plasticine.
2. Mould the plasticine into the shape of a bowl.
3. Make sure water cannot seep onto the plasticine.]]> 2018-02-05 04:02:17 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959067 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959098 1.Flatten the plasticine.
2.Mold it into a bowl.

]]> 2018-02-05 04:02:32 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959098 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959152 Make the plasticine into a shape of a bowl.]]> 2018-02-05 04:02:55 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959152 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959388 By flattening it, it increases surface area and thus there will be less density at each amount of space. By making it into a bowl it makes sure the plasticine is balanced. ]]> 2018-02-05 04:04:13 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959388 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959435 The water in the container has more density than the plasticine and so the plasticine floats.]]> 2018-02-05 04:04:31 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959435 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959638 2018-02-05 04:06:00 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959638 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959655 when we flattened it, the mass was distributed evenly and we made sure water would not be able to flow onto the plasticine as the water would add additional mass onto the plasticine ,causing it to sink]]> 2018-02-05 04:06:03 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959655 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959705 It increases surface area thus leading to lower density. Lower density would allow it to float on water.]]> 2018-02-05 04:06:23 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959705 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959879 When the plasticine is flattened,its density decreases and the rounded edges prevent water from seeping onto it,thus making it float on water.]]> 2018-02-05 04:07:23 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227959879 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227960067 As compared to the water the “cup of plasticine has lower density thus it floats.]]> 2018-02-05 04:08:36 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227960067 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227960308 2018-02-05 04:10:06 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227960308 https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227960370 The plasticine floated because the density decreased as the volume of the plasticine increased but the mass remained the same]]> 2018-02-05 04:10:29 UTC https://padlet.com/lim_wee_khiang3/q7u9rf1osqyw/wish/227960370