This is a great lab to do as a demo. It helps students to understand molecules, oxygen and what a catalyst is. It also gives students practice in writing up a lab report including writing their observations and conclusions.
In this lab students will need to draw each type of circuit with a different number of light bulbs. This is meant to be done as a hands-on activity, but if you are unable to get the supplies it can be done without. There are also follow up questions.
This is a great test to test students knowledge of the basic scientific method. It includes vocabulary matching and testing students on inferences and observations.
This packet is full of experiments that you can do with many different age levels. It covers the 5 steps of the scientific method, inferences, variables and other topics.