The liquid changed from blue to green. The nails that we have sanded have corroded. Copper solid is in the solution. The new solution is now iron sulfate.
The Three Common Gases
- Oxygen- MnO2 + H2O2 and then put the burning splint that we blow out in to the test tube that we mixed MnO2 + H2O2 it then lit up the splint on again and we could do that a couple of times before it would not lit up again.
- carbon dioxide-puts out a burning splint.
- Hydrogen- when we filled up a balloon of hydrogen we held a burning splint over the balloon is made a loud noise.
Explain Decomposition Reactions
Today in science we heated the CaCO3 and put a splint in the test tube it produced carbon dioxide and puts out the flame.
Hokey Pokey
In today’s science lesson we made Hokey Pokey to observe the effect of gases CO2.
Metric units
Here is a video of length of the metric unit.
what I already know about fractions
This is my google drawing about what I already know about fractions
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