Primary and Secondary Sources
Explained by Common Craft
When researching, there are two main types of information sources: primary and secondary sources. Understanding the difference between them and how to use them can help make your projects more thorough and accurate.
Add this Video to Your Teaching
Our "Forever License" means the video file is yours to keep with NO future obligations.
Download (.ZIP) includes a lesson plan and video with English captions.
➡️ Buy and Download Now for $14.99 or Compare Membership Plans
Explain Your Ideas with Cut-outs
Make your next creative project remarkable using our library of 3,388 original, matching visuals.
Download high resolution images to your computer and use them in presentations, documents, training materials, videos and more.
"I use Common Craft Cut-outs to explain complex concepts and brighten presentations at our company."
- Julie Rieken, CEO, Trakstar and Reviewsnap
Develop powerful explanation skills. Learn to create animated explainer videos.
Join Common Craft founder Lee LeFever in online, self-paced courses at the Explainer Academy.
"In a word, the Explainer Academy was delightful, very well executed, and very practical."
- Bill Welter, President, Adaptive Strategies
Find the Right Plan for You
Never Miss a New Video
Join the 12,000+ subscribers who get our monthly newsletter with new videos, discounts, and free resources.