NASA
MASS, MASS – Who Has the MASS? Analyzing Tiny Samples
What is it worth to you? A hands-on instructional activity asks groups to collect weights of different combinations of coins and calculate weighted averages. They use the analysis to understand the concept of an isotope to finish the...
Curated OER
WS 3.3 Atomic Weight and Ions
In this atomic weight and ions worksheet, learners answer questions about isotopes of atoms and how it relates to atomic weight. They also write out oxidation or reduction reactions for given atoms undergoing loss or gain of electrons.
Curated OER
Atomic Structure
A basic presentation to introduce some of the terminology regarding atomic weight, atomic structure, and atomic number awaits your students. An example of the calculations finding average atomic mass for carbon is given, and a way of...
Curated OER
Atomic Weight
In this chemistry worksheet, students read about atoms, their charges, and their parts; protons and neutrons. They examine how to determine atomic weight by looking at an example. They work online as they practice finding the atomic...
Curated OER
Mendeleev's Periodic Table
In this periodic table worksheet, students learn how Mendeleev organized elements by their atomic weight and grouped elements with the same properties. Students compare Mendeleev's periodic table with the modern periodic table. This...
Curated OER
Atomic Weight
In this atomic weight instructional activity, students follow directions to complete an experiment with nuts, a scale, and calculator to calculate atomic weight. Students then answer 6 questions.
Curated OER
Earth and Beyond
For this earth and beyond worksheet, young scholars answer short answer questions about the atmosphere, the chemical compounds in Earth's atmosphere. Students visit different websites to conduct research of the discoveries of the...