Join Lydia Sohn in her latest LiDIYa activity where you’ll be making DIY Lava Lamps! Lydia Sohn is an Ambassador for Discovery Station and Miss Western Maryland 2020. Miss Washington County / Miss Western Maryland Scholarship Foundation, Inc
Polarity: non-polar (neutral) vs. polar (charge)
Density = mass / volume
Alka Seltzer Reaction: HCO3– (aq) + H+ (aq) → H2O (l) + CO2 (g) bicarbonate ion + hydrogen ion → water + carbon dioxide
Food coloring (or a Kool-Aid packet)
Alka Seltzer Tablet
1. Fill 1/3 of your clear jar with water and add food coloring.
2. Fill another 1/3 of your clear jar with vegetable oil.
3. Break the Alka Seltzer Tablet in half and drop the half tablet into your jar.
4. Watch your lava lamp come to life!
Test if the size of the alka seltzer tablet affects the way the lava lamp looks. Try using a quarter tablet, half tablet, and full tablet!