Hoe zit het in elkaar: lichaam. Human body Systems foldable - have your child color before you cut out. Fold as a paper doll or cut out each and layer, attaching at the top with a staple.
7th grade science classroom ideas - Google Search
Grow carrots in a 2 liter soda bottle. so the kids can see what is happening, I love the idea.
Food science experiments. You can always get students' attention with food! They love it, and its a great way to show scientific principles in way they will remember. This website has tons of experiments with basic household materials