science note cards
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Hypothesis | a prediction to a question; something that is tested in an experiment
🗑
|
||||
| Conclusion | comparing collected data to your hypothesis
🗑
|
||||
| Variable | the things that change during an experiment
🗑
|
||||
| Dependent Variable | responding variable; what we see or measure in the experiment to see if it changes
🗑
|
||||
| Independent Variable | manipulated variable; the variable that is being tested and is changed by the scientist
🗑
|
||||
| Controlled Variable | constant; things that are kept the same in each trial of the experiment
🗑
|
||||
| Graphs | make data easier to read and compare
🗑
|
||||
| Pie Graph | shows percentages; compares parts of the whole
🗑
|
||||
| Line Graph | shows continuous change; a change of one variable
🗑
|
||||
| Bar Graph | compares 2 measured varibles
🗑
|
||||
| Model | a description or representation of something not directly observed;
🗑
|
||||
| Limitation of the Model | something that is lacking in the model that is present in the real thing; a difference between the model and the real thing
🗑
|
||||
| Cell | the basic unit of ALL living things
🗑
|
||||
| Unicellular | organisms made up of only one cell
🗑
|
||||
| Multicellular | organisms made up of many cells
🗑
|
||||
| Similarities between plant and animal cells | nucleus, mitochondria, cell membrane
🗑
|
||||
| Differences between plant and animal cells | plants have cell walls for protection and chloroplasts to carry out photosynthesis
🗑
|
||||
| Nucleus | the control center of the cell that holds the DNA
🗑
|
||||
| Mitochondria | breaks down sugar to release energy for the cell
🗑
|
||||
| Chloroplasts | contains chlorphyll that traps sunlight for photosynthesis
🗑
|
||||
| Respiratory system | takes in oxygen and releses carbon dioxide
🗑
|
||||
| Circulatory System | delivers oxygen and nutrients to the body and gets rid of waste
🗑
|
||||
| Digestive System | breaks down food and given the energy to the body
🗑
|
||||
| Excretory system | gets rid of wastes from the body
🗑
|
||||
| Muscular System | relax and contract for movement
🗑
|
||||
| Nervous System | sends and recieves messeges to the entire body; processess information from the outside environment
🗑
|
||||
| Reproductive System | creates offspring
🗑
|
||||
| Skeletal System | provides support for the body
🗑
|
||||
| Equilibrium | homeostasis; the process of keeping the internal environment stable
🗑
|
||||
| Feedback Mechanism | the response of an organism to a given change to maintain equilibrium; Ex. Sweating/shivering to maintain body temp., pancreas releasing insulin to maintain sugar levels
🗑
|
||||
| Adaptation | a genetic trait that helps an organism survive in its environment
🗑
|
||||
| Organisms that are adapted to their environment are able to | survie and reproduce
🗑
|
||||
| Extinction | the loss of an entire species
🗑
|
||||
| Genes | pieces of DNA that carry traits from parents to offspring
🗑
|
||||
| Sex cells | sperm and egg; carry the genes from parent to the offspring
🗑
|
||||
| Sexual reproduction | both parents pass of genes to their offspring; half of the offspring's genes come from mom, and half come from dad
🗑
|
||||
| Dominant allele | if that form of the allele is present, then that trait shows up; written as CAPITAL LETTERS (PP or pp)
🗑
|
||||
| Recessive allele | gets covered up by the dominant allele; written as lowercase letters (pp)
🗑
|
||||
| Punnent Square | a table showing all the possible combinations of alleles for a trait in a genetic cross; used to show the probability of getting traits
🗑
|
||||
| Ecosystem | all the living and nonliving parts of an environment
🗑
|
||||
| Habitat | the specific place where an organism lives
🗑
|
||||
| Biotic | the living things in an ecosystem
🗑
|
||||
| Abiotic | the nonliving things in an environment
🗑
|
||||
| Photosynthesis | the process that plants use to change energy from sunlight into chemical energy
🗑
|
||||
| The sugar produced by photosynthesis provides all of the energy for the ecosystem |
🗑
|
||||
| Food chain | shows how energy passes from one organism to another
🗑
|
||||
| Producer | organisms that can make their own food
🗑
|
||||
| Consumer | an organism that must consume something else for energy
🗑
|
||||
| Herbavore | animals that eat only plants
🗑
|
||||
| Carnivore | animals that eat only other animals
🗑
|
||||
| Omnivores | animals that eat both plants and animals
🗑
|
||||
| Decomposers | feed on dead plants and animals, releases chemical energy and nutrients back into the environment
🗑
|
||||
| Food web | shows energy tranfer in the entire ecosysytem; overlapping food chains
🗑
|
||||
| Succession | the rebuilding of populations in a community or ecosysytem that has been changed (after floods, fires, or other natural disasters)
🗑
|
||||
| Matter | anything that has mass and takes up space
🗑
|
||||
| Solid | atoms are arranged very orderly; has a definite shape and volume
🗑
|
||||
| Liquid | atoms are loosely held together; has a definite volume but no definite shape
🗑
|
||||
| Gas | atoms are very far apart and moving around very quickly; has no definite shape or volume
🗑
|
||||
| Atoms | the building of all matte; made of protons(+), neutrons(0), and electrons(-)
🗑
|
||||
| Element | a substance that contains only one type of atom
🗑
|
||||
| Moecuole | two or more atoms joined together
🗑
|
||||
| Periodic table | a table of all elements arranged in order of incresing atomic numbers
🗑
|
||||
| Groups/families | vertical columns of the periodic table; elements in the same family has similar properties
🗑
|
||||
| Periods | horizontal rows of the periodic table
🗑
|
||||
| Parts of an atom | Nucleus(protons and neutrons), electron shells
🗑
|
||||
| Atomic number | number of protons or electrons(in a neutral atom)
🗑
|
||||
| Neutral | no charge, an atom is neutral when P+=E-
🗑
|
||||
| Atomic mass | protons+neutrons
🗑
|
||||
| Metals | most elements on the periodic table;good conductors, shiny, solid, hard, malleable, ductile
🗑
|
||||
| Nonmetals | on right side of the periodic table; gases and liqids, not good conductors, not shiny,
🗑
|
||||
| metalloids | in between the metals and nonmetals; has properties of metals and nonmetals
🗑
|
||||
| Specific Heat | how much energy it takes to raise the tempuratur eof a substance
🗑
|
||||
| high specific heat | A substance that takes a lot of energy and a long time to heat up
🗑
|
||||
| low specific heat | a substance that takes very little energy and a short time to heat up
🗑
|
||||
| compound | a molecule made of two or more different elements
🗑
|
||||
| mixtures | a combonation of 2 or more pure substances
🗑
|
||||
| physical property | a physical trait tha can be observed without changing the substance into something else(ex. Boiling point, mass, size, color, density, malleability)
🗑
|
||||
| chemical property | charicteristics of a substance that are observed when it reacts with another substance(ex. Reactivity, flammability, rust/tarnish)
🗑
|
||||
| chemical formula | shows the numbers and types of atoms in one molecule of a compound(ex. H2O,CO2)
🗑
|
||||
| Chemical Equation | shows what happens in a chemical reaction using chemical formulas
🗑
|
||||
| reactants | on the right side of a chemical equation, shows what goes into the reaction
🗑
|
||||
| products | on the left side of a chemical equation, shows what comes out of a chemical reaction
🗑
|
||||
| balanced chemical equation | has the same number of atoms on both sides of the reaction arrow
🗑
|
||||
| energy | the ability to do work or cause change
🗑
|
||||
| chemical energy | energy that is stored in the bonds between atoms in molecules
🗑
|
||||
| photosynthesis | plants convert light energy into chemical energy
🗑
|
||||
| electrical energy | a flow of electrons(current) through a conductor
🗑
|
||||
| energy transformations | energy is converted from one form to another
🗑
|
||||
| sound | waves created by vibration objects; must have a medium to travel through
🗑
|
||||
| vacuum | a space that has little or no matter
🗑
|
||||
| kinetic energy | the energy that an object has do to its motion
🗑
|
||||
| potential energy | stored energy due to an objects position
🗑
|
||||
| the more force an object has | the ahrder it hits/the faster it goes
🗑
|
||||
| force | a push or pull that may change motion; measured in Newton's
🗑
|
||||
| Motion | the change in position of an object
🗑
|
||||
| unbalanced force | forces are unequal and cause a change in motion
🗑
|
||||
| balanced force | forces are equal and cause a change in motion
🗑
|
||||
| force=mass X Acceleration |
🗑
|
||||
| friction | a force that resists motion
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
pattia6643
Popular Science sets