![]() Releasing the animal far away fixed the problem. Next morning, I found a very angry raccoon inside the trap. So I set it out near the bird feeder, and put bird feed on a lid behind the trip plate. I had a live animal trap, one of those where you can do a catch and release. Next day, the same thing happened, the bird bath was overturned, plants eaten and the top was off of the bird feeder. Blood meal is supposed to repel most animals. Just to be even more safe, I sprinkled blood meal around all the plants. Replanted what was left of the plants, went and got some more to fill out some of the holes. I moved the bird bath further away from the bird feeder. Two days later I come out and something had eaten most of the geraniums and gotten into the bird feeder and emptied it. I just bought my wife some geraniums to plant in her new bird bath and all looked great. Our bird feeder was full of tasty grain and looked very appealing I am sure. Last spring it was very dry so there was not a lot of goodies for the local animal population to eat. One possible variable we weren't able to account for was.Our sheet metal bird feeder pest protection shield before installation ![]() Our next closest trial was using 2 rubber bands and pulling the throwing arm back 6 cm because the marble landed 315 cm away. According to our data, using 3 rubber bands and pulling the throwing arm back a distance of 4 cm resulted in a throwing distance of 300 cm. To keep the mass of the projectile the same, we used the same marble with a mass of 4.5 grams for the entire experiment. ![]() ![]() First, our team used a metric ruler to mark centimeters 1-6 on the "A" frame of our catapult. For example: To launch a catapult 300 cm, students must be aware of the distance the throwing arm gets pulled back in centimeters and the number of rubber bands. Reasoning with the collected evidence: Students are then expected to be able to use the evidence they collected to support their claim. They collect data and create a data table.
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