Where do you think the items came from originally?
Do you think the items look the same today as they did a month ago?
What happened to the matter in each item over the past month?
Do you think the items will be the same forever? Why or why not?
What do all of the items in the bag have in common?
Do you notice any relationships between the items in the bags? They all...
What evidence do you have that the items were all once part of a living thing?
Another name for "nature's waste" is "organic remains." These are all organisms that are no longer living, or parts of organisms that are discarded, excreted, or no longer needed. What other examples of organic remains can you think of?
What would happen to each item from your bag if it were left outside? What might it look like in 6 months? What would cause it to change?
What would eventually happen to the waste MATTER in each type of organic remain?
Why isn't the earth just piled up with all the matter from nature's waste?
Why could all of the items in the mystery bags be classified as nature's waste?
Do you think that all living things generate waste? What makes you think that?
They all came from the trees and other plants.
No, because a month ago they were attached to a plant or growing on a plant.
They all grew and eventually fell off.
No, they are all natures waste and will decompose.
They are all nature's waste.
They all came off of a plant.
They all came off of a plant which are growing living things.
Other types of leaves, fruit, and buds.
It would probably look like soil because of forces of nature causing it to decompose.
It would all eventually look and be soil.
Because it turns into dirt before it can pile up.
Yes other than the baby pinecones, grass clippings and wood chips.
Yes, because plants make nature's waste and creature go to the bathroom.
What are you trying to explain in your investigation?
What is your investigative question?
Answer the following questions at the end of the investigation:
Was the matter in the waste stable, or did it change over time?
Specifically, how did the matter change during the investigation?
What is your evidence of each of those changes?
Specifically, what made your organic item change?
So, does matter from living things stay exactly the same over time?
What evidence do you have from your investigation to support your answer?
What would you change in this investigation if you were to do it again?
I am trying to explain how long it takes for decay.
My question is how long does it take for a maple leaf to decay.
It changed over time because it absorbed the water and naturally decayed.
The matter changed by becoming really brittle and turning darker.
My evidence is that it looks brown and is brittle to the touch.
It became brittle because all of the moisture has evaporated out of it.
No, it is always changing.
After about a few days it started to look and feel different and everybody knows we grow.
I would have pre done the items so that the we didn't have to wait quite so long.