How does shaking a sand timer side-to-side affect how long it takes to run out? :?:
Science Group (NEW Posting Feature - BETA - In Development)
3284 members
You must meet these requirements before being able to post:
• You must have a profile photo.
• You must have a description.
• You must have joined for more than 24 hours.
About
A group for people who are passionate about the sciences, such as biology, chemistry, physics, and mathematics.
You must meet these requirements before being able to post:
• You must have a profile photo.
• You must have a description.
• You must have joined for more than 24 hours.