We have just completed our light unit, so to review the concept of the reflection and absorption of the colors of the rainbow, I used plastic Easter eggs. Read more at FlapJack Educational Resources.
How to teach light refraction to pre-k
Magnets, Force, Motion, Light, Sound....Lots of great ideas for teaching science!
See the Science of Sound: This would be a fun science activity for my students to work on together. Allowing them to use their hands and experiment with the sounds they make would allow them to be more interested in the subject. Seeing the sugar crystals move by themselves after saying their name will definitely catch their attention.
Activities: See the Science of Sound
How sound is made. Cool way to show vibrations.