Two bottles and a bag
Answers are for parents and teachers.
1
Draw a bottle ecosystem. Label the Sun, the producer and the decomposers, and draw an arrow showing where energy goes.
Arrow from the Sun to the plants, and from the plants (dead leaves) to the decomposers.
2
A family throws away 6 plastic bags a week. If they cut that to half, how many bags is that? How many fewer?
6 ÷ 2 = 3 bags, which is 3 fewer.
3
Name the three Rs and give one example of each.
Reduce: say no to an extra bag. Reuse: refill a bottle. Recycle: put it in a recycling bin.
4
List the six design steps in order and say which one you did last in your own project.
Ask, imagine, plan, build, test, improve. Answers differ for the last step.