Below are some useful simulations with the links that you may find useful for supplemental practice or homework. We will also use some of these simulations in class for various labs and activities.
Triple Balance Beam http://www.thephysicsaviary.com/Physics/Programs/Games/ReadtheTripleBeam/
Graduated Cylinder http://www.thephysicsaviary.com/Physics/Programs/Games/GraduatedCylinder/index.html
Thermometer http://www.thephysicsaviary.com/Physics/Programs/Games/ReadTheThermometerChallenge/index.html
Ruler http://www.thephysicsaviary.com/Physics/Programs/Games/SimpleRulerUseMS/
Build a Molecule https://phet.colorado.edu/en/simulation/build-a-molecule
Build an Atom https://phet.colorado.edu/sims/html/build-an-atom/latest/build-an-atom_en.html
Atomic Spectra https://phet.colorado.edu/en/simulation/discharge-lamps
Periodic Table http://www.ptable.com
Molecular Geometry http://phet.colorado.edu/en/simulation/molecule-shapes
Electronegativity Simulator http://phet.colorado.edu/en/simulation/molecule-polarity
Balancing Chemical Reactions https://phet.colorado.edu/en/simulation/balancing-chemical-equations
http://www.webqc.org/balance.php
States of Matter https://phet.colorado.edu/en/simulation/states-of-matter-basics
Gas Laws https://phet.colorado.edu/en/simulation/gas-properties
https://ch301.cm.utexas.edu/section2.php?target=gases/kmt/gas-simulator.html
Acids and Bases https://phet.colorado.edu/sims/html/ph-scale/latest/ph-scale_en.html
Nuclear Bomb Detonation https://nuclearsecrecy.com/nukemap/
AACT Simulations https://teachchemistry.org/periodical/simulations
Molar Whack https://www.supersurge.com/games/game.php?id=13981