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

  1. Complete an investigation into acid and metal reactions
  2. Evaluate evidence to make a conclusion
  3. Know how to compare your results with other sets of results

Licence

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
Correct answer: True
Q2.
Magnesium is more reactive than iron.
False
Correct answer: True
Q3.
The dependent variable is:
The thing you change.
The thing you keep the same.
Correct answer: The thing you measure.
Q4.
The control variable is:
The thing you change.
Correct answer: The thing you keep the same.
The thing you measure.
Q5.
The independent variable is:
Correct answer: The thing you change.
The thing you keep the same.
The thing you measure.

5 Questions

Q1.
Magnesium is more reactive than copper.
False
Correct answer: True
Q2.
Adding a metal to acid is an example of a physical change.
Correct answer: False
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.
Correct answer: The same person repeats the experiment and gets the same results.
Q4.
What is meant by the term reproducible?
A different person repeats the experiment and gets different results.
Correct answer: A different person repeats the experiment and gets the same 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?
Correct answer: The thing that is changed in an investigation.
The thing that is measured in an investigation.
The things that are kept the same in an investigation.

Lesson appears in

UnitScience / Physical and chemical changes

Science