What happens when we place metals into acid?
In this lesson, we will learn about what makes our results repeatable and reproducible. We will complete an investigation into the reactivity of metals and analyse our results to see if they are repeatable and reproducible.
What happens when we place metals into acid?
In this lesson, we will learn about what makes our results repeatable and reproducible. We will complete an investigation into the reactivity of metals and analyse our results to see if they are repeatable and reproducible.
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Lesson details
Key learning points
- Complete an investigation into acid and metal reactions
- Evaluate evidence to make a conclusion
- Know how to compare your results with other sets of results
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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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5 Questions
Q1.
Bubbles forming is an example of an observation we might make of a chemical reaction.
False
Q2.
Magnesium is more reactive than iron.
False
Q3.
The dependent variable is:
The thing you change.
The thing you keep the same.
Q4.
The control variable is:
The thing you change.
The thing you measure.
Q5.
The independent variable is:
The thing you keep the same.
The thing you measure.
5 Questions
Q1.
Magnesium is more reactive than copper.
False
Q2.
Adding a metal to acid is an example of a physical change.
True
Q3.
What is meant by the term repeatable?
A different person repeats the experiment and gets different results.
A different person repeats the experiment and gets the same results.
The same person repeats the experiment and gets different results.
Q4.
What is meant by the term reproducible?
A different person repeats the experiment and gets different results.
The same person repeats the experiment and gets different results.
The same person repeats the experiment and gets the same results.
Q5.
What is the independent variable?
The thing that is measured in an investigation.
The things that are kept the same in an investigation.