Science Final Flashcards
The Metric System
Kilo, Hecto, Deka, base unit liter, mass, grams, deci, centi, milli
Steps of the scientific Method
Problem Statement
Hypothesis
Procedure
Data collection
Data Analysis
Conclusion
Retest
Independent Variable
The factor that you want to test. This is also the variable that you change or manipulate.
Dependent Variable
The factor you observe or measure. This variable is dependent on the independent variable.
Mass
Density x volume
Density
Mass dived by volume
Volume
mass dived by density
The water cycle
Evaporation
Condensation
precipitation
Run off
infiltration
Physical change
- A substance is altered (changed) but it’s NOT changed into another substance
Chemical change
a change that results in a new chemical substance
Cell theroy
Cells are the basic unit of life
All living things are made up of cells
All cells come from other living cells
Respiratory System
Respiratory system - Supplies the blood with oxygen in order for the blood to deliver oxygen to all parts of the body
* Lungs
* Bronchi
* Mouth & trachea
Muscular System
Muscular system - Responsible for the movement of the human body
* Biceps
* Hamstrings
Circulatory system
Circulatory system transports oxygen and nutrients to the body and removes CO2 and other waste products
* Heart
Veins & arteries
* Capillaries
Digestive system
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Digestive system - Breaks down food into molecules to allow the body to absorb nutrients.
* Intestines
* Stomach
* Liver
