Energy and Matter
What is matter?
Anything that has mass and takes up space.
Picture yourself in a forest..... Now name 4 biotic factors
Anything living
deer, tree,grass, moss, plants, insects, Ms.Puchaski and Kida on a hike.
Name 4 abiotic features in the classroom
desks, etc
80% of the Elephant population Kenya were killed by a virus. Will this effect all levels of the Kenya ecosystem?
Yes. All organisms in an ecosystem depend on each other. For example- if the lions are wiped out that will an increase the population of animals down the food chain. This will cause the animals to overconsume plants/producers. etc....
Give an example of a chemical change.
Rust forming on iron, baking a cake., etc
Name the three states of matter.
Solid, liquid, gas
True of False
Water is biotic because there are living things in it
False
What came first on Earth, abiotic factors or biotic factors?
Abiotics factors existed on Earth thousands of years before biotic factors.
All of 1 type of organism in a given area.
Just counting one type of organism.
population
Is Ice melting considered a physical or chemical change? Why?
physical because there is no new substance formed.
What process happens when sun shines on a puddle and the water turns into a gas?
evaporation
Are consumers, producers and decomposers abiotic factors or biotic factors
Biotic factors
What is the difference between abiotic and biotic factors
Abiotic factors are non-living things in an ecosystem and biotic factors are living
What is the smallest level in an ecosystem?
Organism
A change that affects one or more properties of a substance without changing its chemical composition.
Physical Change
What process occurs when steam rises from Mr.C's coffee cup, gets trapped under a lid, and and the gas turns back into a liquid?
Condensation (when a gas turns to a liquid)
What would happen if there were no biotic factors in an ecosystem
There would be no animals, no trees and no life
What would happen if there were no abiotic factors in an ecosystem
All biotic factors would die because they need water, sunlight etc
What is the difference between an ecosystem and community?
Ecosystem is all biotic and abiotic factors, while community is only biotic factors
Is dissolving sugar in water a physical or chemical change? Why?
It is a physical change because the sugar can be recovered by evaporating the water.
What property describes how well a substance dissolves in a liquid?
Solubility
Sunflowers at Chester Elementary School bloomed throughout August. Most of them had wilted and died by September 15th. Are the sunflowers biotic or abiotic factors of CES's ecosystem?
Biotic factors because they were once alive.
True of false sunlight is abiotic because it helps biotic things live
Is a zoo a natural or man made ecosystem
It is a man made ecosystem
Humans feed the animals in a zoo. So if humans were not involved the animals would die.
The big brown bear is cute and cuddly. This statement provides qualitative or quantitative data.
qualitative https://www.youtube.com/watch?v=-S2EiPD4-W0