It takes the average reader to read Materials by Peter D. Riley
Assuming a reading speed of 250 words per minute. Learn more
Writtern by a specialist science writer for kids these books include one High Interest experiment about materials per page spread. The book emphasizes scientific method routine building -- consistent format...observing, predicting, etc. Shows how science turns up in "world around us". Self-test feature, answers at back. Good back matter for further learning.
Materials by Peter D. Riley is 0 pages long, and a total of 0 words.
This makes it 0% the length of the average book. It also has 0% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes to read Materials aloud.
Materials is suitable for students ages 2 and up.
Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.
When deciding what to show young students always use your best judgement and consult a professional.
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