Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
85 Cards in this Set
- Front
- Back
|
Metric System |
measurements that deal with grams, liters, and meters |
|
|
Meters |
The basic SI unit of length |
|
|
Conversions |
To change between units |
|
|
Seconds |
a measure of time between milliseconds and minutes |
|
|
Speed |
the distance an object travels per unit of time |
|
|
Sit Isaac Newton |
the person who discovered the theory of gravity and made the laws of motion |
|
|
1st Law of Motion |
an object in motion will stay in motion and an object at rest will stay at rest unless acted on by an unbalanced force |
|
|
Inertia |
property of matter, the tendency of an object to resist any change in its motion |
|
|
Force |
a push or pull exerted on an object |
|
|
Mass |
a measure of how much matter is in an object |
|
|
Weight |
a measure of the force of gravity on an object |
|
|
Acceleration |
the rate at which velocity changes |
|
|
Velocity |
speed in a given direction |
|
|
Gravity |
a force that pulls objects towards eachother |
|
|
2nd Law of Motion |
Force = Mass x Acceleration |
|
|
Newton |
unit of force |
|
|
3rd Law of Motion |
For every action, there is an equal and opposite reaction |
|
|
Action Force |
the object with the force applied |
|
|
Reaction Force |
the force pushing back |
|
|
Friction |
source against gravity |
|
|
Periodic Table |
a chart of the elements showing the repeating pattern of their properties |
|
|
Element |
a pure substance that can't be broken down into other substances |
|
|
Atom |
basic particle from which all elements are made |
|
|
Neutron |
a small particle in the nucleus of the atom with no electrical charge |
|
|
Proton |
a positively charged particle that is apart of an atom's nucleus |
|
|
Electron |
a negatively charged particle that is found outside the nucleus of an atom |
|
|
Dmitri Mendeleev |
creator of the periodic table |
|
|
Family |
the columns of the periodic table |
|
|
Group |
"teams" of elements with similar properties |
|
|
Period |
a horizontal row of elements in the periodic table |
|
|
Atomic Number |
the number of protons in the nucleus of an atom |
|
|
Atomic Mass |
The average mass of all the isotopes of an element |
|
|
Matter |
anything that has mass and occupies space |
|
|
Solid |
a state of matter with definite shape and volume |
|
|
Liquid |
a state of matter that has no definite shape and definite volume |
|
|
Gas |
a state of matter that has no definite shape or volume |
|
|
Plasma |
a gas-like state of matter consisting of a mixture of free electrons and atoms that are stripped of electrons |
|
|
Sublimation |
solid to gas without passing through a liquid state (Ex: dry ice) |
|
|
Evaporation |
the process that occurs when vaporation takes place on the surface of a liquid |
|
|
Condensation |
the change from gas to a liquid |
|
|
Physical Property |
a characteristic of a pure substance that can be observed without it changing to another substance |
|
|
Chemical Property |
a characteristic of a pure substance that describes its ability to change into a different substance |
|
|
Physical Change |
a change in a substance that does not change its identity |
|
|
Chemical Change |
a change in which one or more substances combine or break apart to form new substances |
|
|
Chemical Reaction |
the process in which substances undergo chemical changes that result in the formation of new substances |
|
|
Mass |
a measure of how much matter is an object |
|
|
Volume |
the amount of space that matter occupies |
|
|
Density |
the ratio of the mass of a substance to its volume |
|
|
Archimedes |
made the rule that the buoyant force of an object is equal to the weight of the fluid the object displaces |
|
|
Endothermic |
when an organism regulates its own temperature |
|
|
Behavioral Adaptation |
something an organism does that helps it survive |
|
|
Migration |
a behavioral where an organism moves location for a specific reason |
|
|
Hibernation |
a behavioral adaptation where an organism goes into dormancy and body movement is reduced to nearly 0 |
|
|
Mimicry |
when an organism copes another to trick it |
|
|
Dormancy |
when an organism goes dormant or almost dead-like |
|
|
Acid |
a substance that tastes sour, reacts with metals, carbonates, and turns blue litmus paper red |
|
|
Base |
a substance that tastes bitter, feels slippery, and turns red litmus paper blue |
|
|
pH |
a range of values used to express the concentration of hydrogen in a solution |
|
|
Compound |
a pure substance made of 2 or more elements chemically combined |
|
|
Mixture |
2 or more substances that are mixed together but not chemically combined
|
|
|
Melting Point |
the temperature at which a substance changes from a solid to a liquid |
|
|
Boiling Point |
the temperature at which a substance changes from a solid to a liquid |
|
|
Freezing Point |
the temperature at which a substance changes from a liquid to a solid |
|
|
Solubility |
a measure of how much solute can dissolve in a given solvent at a given temperature |
|
|
Oxidation |
Rusting of an object, oxygen got to something |
|
|
Homogenous Mixture |
a mixture in which you can't see any of the parts |
|
|
Heterogenous Mixture |
a mixture in which you can see all of the parts |
|
|
Adaption |
a change in a species |
|
|
Structural Adaptation |
something an organism has to help it better survive |
|
|
Camouflage |
a structural adaptation that disguises the organism to its enviorment |
|
|
What is the formula for density? |
D = m/v |
|
|
What is the end result of mitosis? |
2 daughter cells with genetic information identical to the parent cell |
|
|
What is the end result of meiosis? |
4 daughter cells with 1/2 the genetic information as the parent cell |
|
|
What are the 3 parts of cell theory? |
Everything is made of cells, cells can only produce other cells, the fundamental unit of structure and function in all living organisms |
|
|
What are the 3 purposes of cell division? |
Reproduce, repair, and regrowth |
|
|
What are the steps of mitosis? |
Interphase, prophase, metaphase, anaphase, telophase, cytokinesis |
|
|
Where is DNA located? |
Nucleus |
|
|
How many chromosome pairs do we have? |
23 |
|
|
What is the shape of DNA? |
double helix |
|
|
Who is Gregor Mendel? |
Father of modern genetics |
|
|
Who is Dmitri Mendeleev? |
the inventor of the periodic table |
|
|
Who is Francis Crick? |
one of the discoverers of the double helix structure of DNA |
|
|
Who is Francis Bacon? |
inventor of the scientific method |
|
|
Who is Isaac Newton? |
inventor of the theory of gravity and creator of the laws of motion |
|
|
Who is Robert Hooke? |
inventor of cell theory |
