Why does a balloon stick to your sweater? Rub a balloon on a sweater, then let go of...

Atomic orbitals are mathematical functions that describe the properties of electrons...

What determines the concentration of a solution? Learn about the relationships between moles, liters, and molarity...

Explore the forces at work when pulling against a cart,and pushing a refrigerator, crate, or person. Create an...

Deşi niciun astronaut nu a păşit încă pe Marte, oamenii de ştiinţă se pregătesc deja pentru ziua în care pământenii vor ajunge pe planeta roşie....

This activity aims to introduce to students the concept of varying galactic morphologies. Students will look in detail at images of numerous...

This Inquiry Learning Space is designed for young Chemistry students of lower secondary school (12-15 years old) and aims at introducing the pH...

This lab allows, from one side to observe the...

In this ILS students can learn about properties of objects that influence whether an object sinks or floats in the water. They get the assignment...

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