Needs good light source to work well. Characterizing a Cross-Linked Polymer Journal Staff, J. Chem. Yes Could show properties of pre-made gluep. Need access to water. Can be messy.
People usually enjoy the activity.
Factors Affecting the Rate of a Chemical Reaction Journal Staff, J. Chem. Step 4 requires careful measurement and observation. Yes No Need access to water. Alka-pops makes loud Noise and needs space for top to pop into. Can be messy.