Laws & Science
A way of gaining knowledge about the natural world
What is Science?
A model is the representation of part of the real world
What is a scientific model?
Yes,
respond to environment, grow and develop, produce offspring, etc.
Do all living things share the same characteristics?
The change of one substance into another.
What is a chemical reaction?
What is earth called?
Nature can be studied through systematic study.
Nature can be studied through ____ study
A broad explanation that is well supported by data.
What is a scientific theory?
All living things are made of cells.
What is the cell theory?
Reactants.
What is the starting substance in a chemical equation?
Polarity.
What is the electric charge difference between two areas of a molecule?
5 senses.
What do you use when observing?
1. Used to show relationships
(simpler than real life, can show scale, and used for understanding of complex issues work as well)
What is one purpose for scientific models?
An individual living thing.
What is an organism?
Activation Energy.
What is the energy required to start a chemical reaction?
Hydrogen Bonds.
What keeps water in its liquid state?
False, science cannot answer all questions
True or false: Science can answer all questions
Remains unchanged in the experiment.
What is the definition of a constant?
Tissue.
What is the group name for the same kind of cells?
The sum of all reactions within an organism.
What are metabolisms?
Water expands when it freezes.
Why does ice float?
True. Scientific laws do not change under certain natural conditions
True or false: Scientific laws cannot change under certain natural conditions.
What is one example of scientific theory's?
The relationship between organisms for the same resource
What is competition in living things?
Energy.
What is emitted during an exothermic reaction?
Liquid, Solid, Gas.
What are the 3 states of water?