Richard Lahti

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Recent Posts by Richard

Fri Mar 16, 2018 10:59 AM in Science Fair
I participated in science fairs in grades 6-9, judged it for about 10 years before coaching my own kids the last 3 years, and have done a couple small studies on science fair over the past 4 years. I want to make 2 comments. 1. There are science fairs and there are science fairs and you have to define what you mean by a science fair to be able to carry on a meaningful conversation. a. ISEF...

Thu Mar 08, 2018 7:43 AM in How to encourage inquiry based learning
A. Inquiry teaching is difficult, especially at first. It takes time and courage to help students construct their own meaning rather than to just give them the answer. Some of the most vocally opposed students (and their parents) will be your best students because they have gotten very good at the memorize, regurgitate game and they are now under the impression that this is what it means to be a...

Fri Jun 16, 2017 6:50 AM in How to fit science in your schedule
Sonia: And if your principal/district disagrees? With NCLB and the emphasis on math/language arts, most of the districts around here alternate science and social studies ... 25 min every other day for a year OR 25 min a day for 1 semester. Other districts are confiscating science texts – I just read a TPA (teacher performance assessment, the final exam for teacher) at a district that does no sc...

Recent Reviews by Richard

Sun Apr 30, 2017 9:53 PM
3 Decent article, not the best
Shows various weighs for different components. Does not appear to show how to write good descriptors for what is necessary to earn each particular level. Appears consistent with backwards design. Does not show good ways to translate a rubric to a grade.

Recent Public Collections by Richard


10 Resources

Resources on the teaching of evolution

Editorial: Coming Soon -- Isn't Your Science Just a Theory?
Type: Journal Article

Commentary: Let Fossils Make the Case
Type: Journal Article


11 Resources

The Second Dimension—Crosscutting Concepts
Type: Journal Article

The Second Dimension—Crosscutting Concepts: Understanding A Framework for K–12 Science Education
Type: Journal Article


3 Resources

Science Sampler: Using video games as an alternative science assessment for students with disabilities and at-risk learners
Type: Journal Article

Making Connections with Digital Data: Digital camera technology helps students draw connections between their hypotheses, data, and inferences
Type: Journal Article