All STEM Activities

Make a Candle Flame Jump

Active Time
30-45 minutes
Total Project Time
30-45 minutes
Key Concepts
Chemistry, Chemical Reaction, Combustion, States of Matter

Introduction

There are many occasions to light candles. When you did, have you ever looked closely at the flame? Which part of the candle is actually burning? Can you tell? Is it the wick, the solid wax, the liquid wax or something else? In this activity you will light some candles to find out—no special occasion required!

Credits

Svenja Lohner, PhD, Science Buddies
This activity is not appropriate for use as a science fair project. Good science fair projects have a stronger focus on controlling variables, taking accurate measurements, and analyzing data. To find a science fair project that is just right for you, browse our library of over 1,200 Science Fair Project Ideas or use the Topic Selection Wizard to get a personalized project recommendation.

Materials

  • Adult helper
  • Several small, narrow, birthday candles
  • Matches or a lighter
  • Wet sand (or another non-flammable substance to hold your candles up)
  • Dish or bowl for your wet sand or other candle-holding substance
  • Fireproof work area
  • Straw
  • Bowl filled with water or a fire extinguisher
    Materials needed for jumping flame activity.

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Active Time
30-45 minutes
Total Project Time
30-45 minutes
Key Concepts
Chemistry, Chemical Reaction, Combustion, States of Matter