My science goals reflection!:
My goals for this term were:
My goals were:
- Solids, liquids and gasses have different observable properties and behave in different ways.
- Science involves testing predictions by gathering data and using evidence to develop explanations of events and phenomena
- With guidance, pose Questions to clarify practical problems or to inform a scientific investigation and predict what the findings of an investigation might be.
- Decide which variable should be changed and measured in fair tests and accurately observe , measure and record data ,using digital technologies as appropriate
Here is my science template:
Scientific Lab Report
.how salt effects ice in how long it takes to melt
Charlie and Tiia!!!!
|To test how fast ice compared to ice with salt can turn to liquid state (water)
to (water) vapour.
Our variable is salt ice this variable will make the ice melt slower
I think that the salt water will evaporate slower because it has salt in it witch makes it heavier
2 plaits- plastic
1 blocks of normal ice
1 block of salt ice
Timer-to keep track of how long the experiment takes
A quarter of a teaspoon of salt
- put the salt ice and the normal ice on the plates and start the timer
- leave the ice and salt ice to melt
- After a while measure witch one has melted more!
|| started to melt shiny
|Smaller almost melted
||Alot smaller see through
|REALLY tiny almost done
||Tiny almost complete
||Really small close to melt
|Salted started evaporate
||Just melted completely
|Both fully melted and
||Started to evaporate
|Not much change
||Not much change
|Both Luke warm and
|Not much change
||Not much change
|Both evaporated a bit
|A bit more
|A little more
|A lot of evaporation
|a little pool of water
We will show power point with the video
We found that if the water is not spread out, it takes longer than it would
if it had a bigger surface area. Surface area is the area of the surface. If
it’s spread out more it has a bigger surface. Some of our water ran down into
the dips in the sides of the bowls. This meant the water took really long to
We also found that the salt did not turn into a gas like the water. The salt
did not evaporate and stayed soggy at the bottom of the bowl. This happened
because salt doesn’t sublimate. When salt is dissolved it is still a solid but
just broken up into lots of really tiny bits. So for it to turn into a gas, it
would have to sublimate. This is why only the water evaporated leaving the
dissolved salt behind.
The science behind this experiment was the change in states. The first change
that happened was melting/solidifying. This is a change from a solid to a
liquid. It’s a reversible change because you can freeze liquid again to make a
solid again. Melting happens when you add heat. Ices melting point is 40C°
- Our hypothesis was correct. The salt weighed down the water and it did not evaporate as easily. It had a small pool of water in the corner. We had to leave the ice overnight but the ice with the salt in it still had a bit of a puddle in the corner. The normal ice was the one which evaporated first though melted last. So you can tell that normal ice melts quicker. Next time we could put the ice in the water and then put plain ice in salt water.
- Hello 5/6 C welcome to our presentation.
Our experiment was about ice we put salt in one ice cube and one normal ice cube
We hope you enjoy our presentation about: how salt effects the speed of change in state
The next change that occurred was evaporation. This is the change from a
liquid to a gas. It’s also reversible because it can go from a gas back to a
liquid. This is called condensation. Evaporation happens when you add heat.
Melting/solidifying and evaporation both happened in our experiment which are
both changes in state. This was the science behind our experiment
This template was for our science projects at the end of the semester we got into groups then did a small experiment (small meaning no explosions)
In the gaps of melting and evaporation we put diagrams we also made a PowerPoint I will put in a link: changed – how salt effects the change of states.pptx scientists need to make sure that they are safe in the science lab they don’t want to have an incident(such as an explosion)
They were safety equipment and are sure of their measurements they record there data and they always, always, ALWAYS
They could make the newest discovery of plants or find out that unicorns are real!!!!
My point is that they don’t stop they are very determined they have a chance to be like Albert Einstein they could invent the flying car they can do amazing things if they put their mind to it they record evidence and data they may need then they put it together in different ways and they create things like a microwave oven or a television or a computer things we take for granted have a lot behind them and they are important like even a chair they Could invent something new by
- they are safe
- they record
- and they try to be accurate
Scientists are what make the future of our world
I encourage you greatly to experiment at home but do what scientist must also do
I could improve on a lot there is sooooooo much that I don’t know about science I would like to improve on figuring out the formulas for the states of matter
Hope you liked my goals and my reflections all about how I have been going in the term!