Daphney Gourdet's Flashcard Set
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Created by:
cutiegirl65 on October 25, 2009
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25 terms
Terms | Definitions |
|---|---|
 3 Main Branches of Science: | 1.Life Science:study of living things.2.Earth Science:study of the Earth.3.Physical Science:the study of matter and energy. |
| Life Science: | study of living things (structure and behavior) Examples:zoology and botany |
| Earth Science: | study of the Earth.Includes:rocks,oceans,volcanoes,earthquakes,atmosphere,etc.Usually includes astronomy. |
| Physical Science: | the study of matter and energy. |
| Scientific Method Observation: | any use of the senses to gather information |
| Hypothesis: | A possible explanation or answer to a question;an educated guess.Must be testable!!!! |
| Gravity: | is a force that pulls 2 masses toward each other.Tool to measure weight:scale |
| Weight: | is a downward pull on an object due to gravity. |
| Volume (What is,tools to measure it) | Objects with well-defined shapes:formulas Example volume of a cube:length x width x height.Measurements always in 3 dimensions m3:standard unit used to measure the volume of solids. |
| Calculating the volume of a rectangular prism (regularly shaped object): | v=l x w x h 1cm3 x 2cm3 x 3cm3 v=6cm3 |
| Atom: | The basic building block of matter the smallest possible unit of matter (too small to see !) |
| Calculating the volume of an irregular shaped object: | When you put a irregular shape in a graduated cylinder and add water the water raise a little. |
| Observation: | Creating a model (related to real life situations) |
| How to measure volume using a graduated cylinder Meniscus (what is, how measure volume in its presence) | Put water in the graduated cylinder and then level your eyes eye level right above meniscus the measure eye level. |
| Subatomic particles of an atom 1.What are they 2.Where they are located 3.Charges on them 4.Which is the smallest? Biggest? | Atom are very small particles that human eyes can't see.They are located everywhere but some places.Protons,Neutrons and Electrons.The atom and protons. |
| Molecule: | A group of atoms bonded to together.A molecules is the smallest amount of a substance made of combined atoms that is considered to be that substance. |
| Do atoms move?: | Yes because the molecule move together with the atoms. |
| What is Science?: | is a process that use observation and investigation to gain knowledge about events in nature. |
| Data: | is any pieces of information acquired through experimention |
| Multiple Trials: | is information (data) gathered by performing the experiment numerous times.Must be write down (record) data. |
| What can happen on experimental data id analyzed?: | Results support the hypothesis;can ask more questions.Results Do Not support the hypothesis;ask different question,report possible erros of experiment.Results are inconclsive (need further testing/more information);may need to run test again or redesign experiment. |
| What do scientists do with results of their experiment: | Scientisits write scientific papers make presentaion create web sites.May result in other scientists...Reporting same experiment.Creating a new experiment to learn something more specific or study a new problem. |
| Matter: | has mass and volume.All object are made of matter. |
| Examples of things that are NOT matter | Light and sound are not made of matter. Light does not take up space or have mass in the same way that a table does.Although air is made of atoms,a sound traveling through air is not. |
| (Examples of thing that are NOT matter)Mass(what is are the,tools to measure it) | Standard unit to measure mass:kilogram (kg).Smaller units are measured in grams (g).Grams:a metric unit used you measure mass 1 kg-100g.To measure mass use:Triple Beam Balance and Electromic Balance |
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