Evidence of Chemical Change
Learn how to tell if a chemical reaction has taken place.
Learn about the elements of the periodic table and how they are organized.
Learn about how the Particle Theory helps us understand matter.
Students will explore career profiles and relate them to what they are learning in science class.
Getting electrons excited by heat can cause certain materials to give off visible light when heated - like filaments in light bulbs.
What is the nitrogen cycle? How do human activities such as using fertilizer affect the nitrogen cycle? How can this cause greenhouse gases?
The periodic table was last updated in 2016 with four new chemical elements. What is a chemical element? What is the atomic structure of the newest chemical elements? How did they get their names?
The life and death of stars form the chemical elements that make up Earth, making stars critical to life as we know it.
Dmitri Mendeleev’s version of the periodic table was brilliant - find out why!
Sodium is a useful chemical element. You consume it as table salt regularly. Learn about salt mining, sodium uses, and what problems too much sodium can cause.
Hydrogen’s tendency towards combustion is what makes it both a dangerous chemical element and a useful energy source.