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
- Explain how to tell which reaction is larger
- Identify the variables in an acids and metals investigation
- 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
Q2.
A change of state is an example of a physical change.
False
Q3.
A change in appearance tells us a chemical change has taken place.
True
Q4.
Sweat evaporating is an example of a ...
Chemical reaction.
Q5.
Sugar burning to form caramel is an example of a ...
Physical change.
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.