More Science Worksheets
A series of free Science Lessons for 7th Grade and 8th Grade, KS3 and Checkpoint Science in preparation for GCSE and IGCSE Science. The following videos explain the steps of the Scientific Method
1. Asking Scientific Questions
2. Planning and Recording
3. Analyze, Conclude and Evaluate
After collecting data and analyzing it you need to evaluate your data and methods.
Two ways to evaluate your investigation:
What’s the spread?
The spread of data tells you how precise the data is.
A small spread in the data will give you more confidence in your conclusion.
There are two types of error:
Range and number of results
• Include bigger range, take more readings<.
• Use different apparatus to give a smaller spread and fewer outliers.
Try the free Mathway calculator and
problem solver below to practice various math topics. Try the given examples, or type in your own
problem and check your answer with the step-by-step explanations.
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