Classification keys
I can use a classification key to group and identify objects.
Classification keys
I can use a classification key to group and identify objects.
Lesson details
Key learning points
- Objects can be classified based on their similarities and differences.
- You can use a classification key to help decide which group something belongs to.
- The questions on a classification key are layered, each answer leads to a new question.
- Scientists use observable characteristics to identify unknown objects through a series of yes/no questions.
- Scientists use classification keys based on observable characteristics.
Common misconception
Children may ask questions that don't have a yes or no answer.
Keep reminding the children that their questions need to have a yes/no answer and that this is how a classification key works to help us to group and identify unknown objects.
Keywords
Group - To group things is to put similar things together.
classification key - Classification keys are diagrams which help us identify objects using yes/no questions.
Identify - To identify something is to be able to name it correctly.
yes/no questions - A yes/no question is a type of sentence that asks something and is answered with only yes or no.
Observable characteristics - An observable characteristic is a feature or property of something that we can see or use our other senses to observe.
Equipment
Worksheet and your own objects if you chose to do some more classification keys of your own.
Content guidance
- Exploration of objects
Supervision
Adult supervision recommended
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
Video
Loading...
Starter quiz
6 Questions
cow
frog
snake
shark
penguin
Exit quiz
6 Questions
