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.
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
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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.
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.