Year 5

What can we do to investigate chemical reactions?

In this lesson, we will learn about reactivity and how scientists investigate how reactive a substance is. We will conduct our own investigation into the reactivity of vinegar while looking at the variables we need to change, control and measure in our investigation.

Year 5

What can we do to investigate chemical reactions?

In this lesson, we will learn about reactivity and how scientists investigate how reactive a substance is. We will conduct our own investigation into the reactivity of vinegar while looking at the variables we need to change, control and measure in our investigation.

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Lesson details

Key learning points

  1. Explain how to tell which reaction is larger
  2. Identify the variables in an acids and metals investigation
  3. Write a method for investigating a reaction between acids and metals

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.
A chemical reaction involves the formation of a new substance.
False
Correct answer: True
Q2.
A change of state is an example of a physical change.
False
Correct answer: True
Q3.
A change in appearance tells us a chemical change has taken place.
Correct answer: False
True
Q4.
Sweat evaporating is an example of a ...
Chemical reaction.
Correct answer: Physical change.
Q5.
Sugar burning to form caramel is an example of a ...
Correct answer: Chemical reaction.
Physical change.

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.