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# 1st nine weeks exam!

### Mrs.Gallardo's 1st nine weeks exam

Application of science to our lives Technology
The study of the laws of motion Physics
Gathering information using the 5 senses Observation
The study of rocks and minerals Geology
Person who studies fresh water Hydrologist
Educated guess that can be tested Hypothesis
Person who specializes in the study of volcanoes Volcanologist
The study of bodies of saltwater Oceanography
Things that stay the same in an experiment Constants
Person who studies weather Meteorologist
Last step of Scientific Inquiry Conclusion
The study of properties of matter Chemistry
Person who studies planets and stars Astronomer
Variable being measured in an experiment Dependent Variable
Person who studies living things Biologist
Variable being tested in an experiment Independent variable
The specific study of earthquakes Seismology
5 steps scientist use to solve problems Scientific Inquiry
To draw a conclusion based on observation and knowledge of the subject Inference
S.I. unit of temperature Celsius
Formula for the volume of a box Length X width X height
Method used to find the volume of an odd shaped object Displacement
Tool used to measure temperature Thermometer
S.I. unit of mass Gram
Lowest possible temperature Absolute Zero
Amount of space an object occupies Volume
Gravity's pull on an object Weight
Tool that measures mass Triple beam balance
Formula for density Mass/volume (mass goes in the calculator first)
1cm3= 1ml
Amount of matter in an object Mass
S.I. unit of weight Newton
Tool that measures liquid volume Graduated Cylinder
S.I. unit of length Meter
Amount of matter that occupies a particular space Density
Tool to measure weight Spring Scale
Number of protons in the nucleus Atomic number
Anything that takes up space and has mass Matter
Atom gains or loses electrons Ion
Negatively charged particles outside of the nucleus Electrons
Total number of protons and neutrons in the nucleus Mass number
Atoms with the same protons, but different number of neutrons Isotope
Particles in the nucleus with no charge Neutron
Contain only one kind of atom; in its simplest form Element
Particles in the nucleus with a positive charge Proton
Chart of elements arranged in similar groups Periodic table
The building blocks of matter Atom
Copper Cu
Oxygen O
Sodium Na
Potassium K
Carbon C
Hydrogen H
Helium He
Neon Ne