Answer:
I think it's 5. But I'm not sure what you mean by right-hand side...
Explanation:
I really hope this helps you!
It represents an observation and he formed a hypothesis to explain the observation.
Answer:
Kg measurement of volume.
cm measurement of area
L measurement of length
m measurement of maes
It would be a chemical change because the chloride water would have an effect on the copper. A way to tell if something is a chemical or physical change is that chemical change is not reversible. Physical change can be reversed. For example, water can be physically changed into ice, and it can go back into water. Hope this helps!
Unit' is the word used to describe how something is measured. When researching a question in science, we collect data, interpret it, and share the results with other scientists. A common measurement system allows us to make direct comparisons instead of having to know things like how much a certain animal weighs.