Welcome to your B5 Quiz 0.3 – Observing, Classifying and Pattern Seeking

1. 
What does "observing over time" mean in science?

2. 
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When scientists observe over time, they often make at regular intervals.

3. 
Watching how a plant grows over several weeks is an example of observing over time.

4. 
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Sorting living things into groups based on shared features is called .

5. 
What is a classification key used for?

6. 
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Grouping objects or organisms by what makes them similar or different is called and classifying.

7. 
Pattern seeking means looking for a fair test with only one variable.

8. 
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Pattern seeking investigations look for a between two things, such as height and age.

9. 
Which is the best example of pattern seeking?

10. 
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A good way to record observations made over time is to use a .

11. 
In pattern seeking, scientists usually cannot control all the variables.

12. 
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Living things can be classified as vertebrates or , depending on whether they have a backbone.

13. 
Why might a scientist observe the same pond over many months?

14. 
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When looking for patterns, scientists often collect data from many to compare.

15. 
Classifying always involves changing a variable to see what happens.