Ask Me Anything!
1) This is the part of the experiment controlled by the experimenter.
2) This is the part of the experiment that is observed or measured to gather data.
3) Group used as a standard for comparison. Left unchanged.
Independent Variable
Dependent Variable
Control
This is the theory that at one time all of the continents fit together like a puzzle and formed one huge land mass
The theory that a cosmic explosion created the universe
Big Bang theory
Respiratory
1) Explain the difference between Prokaryotic & Eukaryotic cells.
2) This contains the cell's genetic material
3) Carries the DNA which determines the traits of an organism.
Pro-No Nucleus-Bacteria. Euk-nucleus-animal cells.
Nucleus
Chromosomes
What is an Hypothesis?
a) A test tube
b) An explanation for an observation; An assumption that can be tested by further investigation.
c) Part of an experiment
B
Richter Scale
This theory states that organisms better adapted to their environment tend to survive and produce more offspring. Survival of the fittest!
Natural Selection
This system takes in food and breaks it down for cell use!
Digestive System
2) Chemical that makes up chromosomes. Short for deoxyribonucleic acid.
3) Maintaining balance within the body is also called___.
Gene
DNA
Homeostasis
1) The crust is composed of huge slabs of earth called plates.
2) When the crust shifts, cracks called earthquakes can form.
True
False-Fault Lines
1) This releases pressure that has built up inside the earth
2) This is the layer between the crust and the core
3) This is the hot liquid rock underneath the volcano
Volcano
Mantle
Magma
The theory that the sun is the center of the universe
Heliocentric theory
It circulates blood through the body, heart, blood vessels, etc.
Circulatory
1)Name 2 types of cell division.
2) Microorganism (bacteria or virus) that can cause disease.
Mitosis and Meiosis.
Pathogen
The shaking of the earth caused by an earthquake is called:
a) Tremor
b) Tsunami
c) Ring of Fire
A
1) 90% of the world's earthquakes and volcanic eruptions occur in what is called the ____.
2) What are the main 2 types of water? Describe them!
Ring of Fire
Salt & Fresh water: Salt water is found in oceans, seas, and bays. It is salty because the rivers which feed the ocean constantly break down rocks full of mineral salts.
Fresh water comes directly from snow or rain and is found in rivers, streams, lakes, and ice glaciers.
According to this theory, all complex organisms are composed of small, fundamental, living units called cells.
Cell theory
Relays messages between the brain and other parts of your body!
Nervous system
Cells organize to form____. Groups of Tissues form ____. Groups of organs form____.
tissues-organs-systems.
List the 5 steps of the Scientific method
1) Ask a question
2) Form a hypothesis
3) Design an experiment
4) Analyze and gather information
5) Draw a Conclusion
1)Coal, oil and natural gas are made up of ancient decayed plants and animals. Because of this they are called___. They are also ____ because once they are used up, we cannot replace them.
2) This is also a resource. It is loose material made from rocks and decayed organisms like plants and animals.
Fossil fuels-non renewable.
Soil
A theory expressed by Charles Darwin which says that the gradual change of characteristics within a population produces a change in species over time. The idea that all life on earth evolved from a single source, a common ancestry-apes.
Evolution
Makes it possible for us to move!
Musculoskeletal system!
1) This type of trait is always expressed or seen.
2) These types of traits are only seen if both genes are recessive.
Recessive