Properties of Water

Term Definition
Surface Tension The tightness of water's surface that causes a curved shape.
Cohesive Property Water does not pull apart easily. It is sticky.
Universal Solvent Most things will dissolve in water. Medium for most biological reactions.
Specific Heat Much energy is needed to change temperatures in large bodies of water.
Capillary Action Cohesion and adhesion allow water to move against gravity in plants/trees.
Hydrogen Bonds Individually these bonds are pretty weak; all together very strong.
Polarity Allows for the formation of hydrogen bonds between other water molecules as well as different molecules.
Salinity Refers to how salty a substance is.
Positive The overall charge of a water molecule.
Adhesive Property The attraction of the water molecules to other substances.

Vocabulary words for life cycle of a star

Term Definition
Planetary nebula stage when gases are released by a red giant and a dense core remains
sun-like star a star approximately the mass of the sun
Helium this element is the result of fusion of hydrogen during the main sequence
neutron star end for a large size star
protostar when a star is born and fusion begins in the core
black hole remnant of a giant star
main sequence the phase in a star's life where hydrogen is fused to helium
red giant phase after a sun-like star's main sequence when fusion of helium takes place
black dwarf phase when a star is too cool to emit any more light and fusion is no longer occurring in the core
white dwarf light is emitted but the star is dead
nebula a cloud of dust and gas
gravity a pull force
galaxy a massive collection of stars, dust and gas held together by gravity
super red giant phase after the main sequence of a giant star
photon particle of light trying to escape the star's core
supernova explosion of a super-red giant which leads to higher temperature allowing for elements heavier than iron to form
betelgeuse one of the stars making up the constellation Orion
fusion process that takes place in the core of every 'living' star
blue star hottest stars and brightest star
red star coolest star that can have high or low luminosity depending on the phase of the star
Life Cycle of a Small Star Nebula, protostar, sun-like star, main sequence, red giant, planetary nebula, white dwarf
Life Cycle of a Large Star Nebula, protostar, large star, main sequence, super red giant, supernova, neutron star
Life Cycle of Giant star Nebula, protostar, giant star, main sequence, super red giant, supernova, black hole

From Bacteria to Plants Ch 1 Vocabulary

Term Definition
organism living thing
cell basic unit of structure and function in an organism
unicellular single-celled organism
multicellular organisms composed of many cells
growth the process of becoming larger
development the process of change that produces a more complex organism
stimulus a change in an organism's surroundings that causes the organism to react
reaction an action or change in behavior
reproduce to produce offspring that are similar to the parents
spontaneous generation the mistaken idea that living things arise form nonliving sources
controlled experiment two test that are identical in every respect except for one factor
variable the one factor that is changed in an experiment
autotrophs organisms that make their own food
heterotrophs organisms that cannot make their own food
homeostasis the maintenance of stable internal conditions despite changes in the surroundings
fossils traces of ancient organisms that have been preserved in rock or other substances
classification the process of grouping things based on their similarities
taxonomy the scientific study of how living things are classified
prokaryotes organisms whose cells lack a nucleus
nucleus a dense area in a cell that contains nucleic acids
eukaryotes organisms with cells that contain nuclei

science vocabulary Chapter 4

Term Definition
Niche the role of a species in an ecosystem
Habitat the place where a species lives
ecology the study of the relationships among living and nonliving parts of an area
ecosystem all the living and nonliving parts in an area
community all the populations living together in one area
photosynthesis the produces by which plants use sunlight to make sugar from water and carbon dioxide
producer an organism that uses sunlight to make sugar from water and carbon dioxide
consumer an organism that consumes other organisms for food
scavenger an animal that feeds on the bodies of dead organisms
decomposers an organism that helps to break down and decay dead organisms and the wastes of living organisms
energy pyramid a diagram that compares the amount of energy available at each position, or level, in the feeding order
food web a combination of all the food chains in a community
population all the members of one species that live in the same area
food chain a hierarchical series of organisms each dependent on the next as a source of food.
omnivore an animal or person that eats food of both plant and animal origin.
herbivore an animal that feeds on plants.
carnivore an animal that feeds on flesh.

jada mabins

Term Definition
Galaxy a giant structure that contains hundrends of stars.
Universe a lot of and everything in it.
Light-Year The distance that light travel in one year.
Giant star A star that is larger than the sun.
apparant magnitude the brightness of a star.
absolute magnitude the brightness of a star were a stand and distance of earth.
Hertzsprung- Russelll diagram a graph relating the temparature and brightness of stars.
main sequence an arzbtea on the Herstzsprung-Russell diagram that runs Upper to Left to Lower to right.
constellation a pattern in the sky.
Visible Light Electromagnetic radation that can be seen with Unaided eye.
Electromagnetic Energy that Ravies through space.
Radiation: The process in wich energy is emmitted as a paricle.
Wavelength the distance between a crust another
Spectrum a range of wavelengths

Mr Mac Life science and the charateristics of life

Question Answer
What are all living things called? Organisms
What is a scientist called who studies living things? Biologist
What is a scientist called who studies living things and their interaction with the environment? Ecologist
What is a zoologist? A scientist who works with and studies animals.
A scientist who studies how traits, genes and DNA are passed to offspring is called a… geneticist.
A scientist who studies tiny, little organisms is a… microbiologist.
Plant cells are different from animal cells because they have… a boxlike shape, cell wall and chloroplasts and animal cells do not!
An organism that has offspring (children) who are genetically identical to themselves reproduces how? Asexually
When an offspring is produced from 2 parents this is called… sexual reproduction
Name the six characteristics of living things. 1. It reproduces
2. It grows and develops
3. It responds to stimuli or its environment
4. It has DNA
5. It has cells
6. It uses food for energy
What are cells? The basic unit of life.
Membrane covered structures that make up all living things.
Where is DNA found? Usually in the nucleus of cells.
In all living things.
What is a double helix? The shape in which DNA can be found.
It looks like a "twisted ladder".
Are things that were once alive called organisms? Yes, even when something dies it is still an organism.
Name some other fields/branches of biology. zoology, botany, microbiology, genetics, mycology, ornithology, cytology, virology, bacteriology, etc…
What is a unicellular organism? Give some examples. An organism that is made of only one cell. Examples are some bacteria, amoebas and many plankton.
What is a multicellular organism? Give some examples. An organism made of many specialized cells. Examples are all mammals and plants.
What are the 6 characteristics of living things we have discussed? 1.Get and use food for energy 2.Reproduce 3.Made of cells 4.Respond to environment 5.Have DNA 6. Grow and develop
What are the 2 types of reproduction? Asexual and sexual reproduction
Name ways plants respond to their environment/stimuli. Grow and turn leaves towards sunlight, close blossoms at night, drop leaves in winter and some even sense and capture insects.
What is cell theory? The cell is the basic unit of life and all organisms are made of cells.
Budding and regeneration are 2 types of which reproduction? Asexual
What are advantages of asexual reproduction? No time and energy used to find mate and easily repopulate an area with just 1 organism.
What is the main disadvantage with asexual reproduction? A lack of genetic variation.

vocabulary

Question Answer
habitat the place where an organism lives
ecologay the study of interactions between organiams and their envirment
population all the members of a species living in teh same place
community a group of differnet populations living in the same place and interactions with each other
ecosystem a community and all the nonliving (abiotic) things that the community interacts with
abiotic nonliving
biotic living
food chain the path of food through a community
producer an organism that makes it's own food
consumer an organism that eats other organisms
decomposer an organism that breaks down and obsorbs nutrients from dead matter
food web a group of food chains that are linked to each other
natural resource a substance found in nature that is useful to humans
conservation the wise and careful use of natural resources
recycling when you reuse something like: paper, you can use the back
organism any living thing or one living thing
biology the study of all organisms
botany the study of plants
zoology the study of animals
genetics the study of how parents look like their offsprings,children.
microbiology the study of organisms too small to be seen by the eye alone
characteristiscs a quality or feature of a person of thing
reproduce to make more of one owns kind of organism
asexual reproduction to reproduce with one parent
sexual reproduction to reproduce with 2 parents
life span the amount of time an organism is likely to live

Mr Mac Microscope terms and uses

Question Answer
This is used to focus on your specimen when using the high power objective. Fine focus knob or
Fine adjustment knob
Attached to to the nose piece, these have lenses that actually magnify the specimen. Objectives
This can be adjusted to change the amount of light allowed to pass through the specimen. Diaphragm
This has glass lenses, magnifies the specimen and you look into it. Ocular
Your slide rests on this Stage
If you are having trouble seeing your specimen, use the low power objective and turn this knob. Coarse adjustment knob or
Coarse focus knob
You carry the microscope using these. The base and arm
The main reason a specimen for an optical microscope must be thin is so… light can pass through it.
We made a slide using water to hold our cover slip in place. This is a… wet mount
He was known for improving the microscope. Anton Von Leeuwenhoek
He saw little boxes in tree bark and called them cells. Robert Hooke
A glass lens with both sides curving out would have what kins of curve? Convex
A glass lens with both side curving in would have what kind of curve? Concave
He was called the first microbiologist. Anton Von Leeuwenhoek
He invented the microscope. Not sure… Maybe Lippershey or Janssen
He used a telescope to make many great discoveries. He also had a microscope he called "occhiolino" Galileo
This microscope uses light and curved glass lenses to magnify. I can only magnify to about 2,000 times Optical microscope
This microscope uses something that travels with a wave length much smaller than light. It can "see" things by magnifying over 2 million times. Electron microscope
This microscope uses an incredibly fine point to "see" things. Scanning probe
He is called the "Father of Microscopy". Von Leeuwenhoek
To find the total amount of magnification on an optical microscope you must… multiply the ocular power and objective power
Use your microscope coloring sheet.
What is "E" called?
Nose piece or revolving nose piece
Use your microscope coloring sheet.
What is "A" called?
Ocular or eyepiece
Use your microscope coloring sheet.
What is "K" called?
Diaphragm
Use your microscope coloring sheet.
What is "M" called?
Light Source
Use your microscope coloring sheet.
What is "B" called?
Coarse Adjustment Knob
Use your microscope coloring sheet.
What are "F, N and H" called?
Objectives
Use your microscope coloring sheet.
What is "D" called?
Fine Adjustment Knob
Use your microscope coloring sheet.
What is "I" called?
Stage
Use your microscope coloring sheet.
What is "G" called?
Arm
Use your microscope coloring sheet.
What is "L" called?
Base
How do you find the the total magnification of a microscope? Multiply the ocular power by the objective power.

32 science cards

Question or Term Answer or Definition
Calorie a measure of the amount of energy in food
Fats a group of nutrients that provide energy and building blocks for some body systems
Carbohydrates a group of nutrients that provide energy; they include sugars and starches
Nutrient a chemical needed for the maintenance and growth of an organism
Nutrition the process by which organisms get the building materials and energy needed to stay alive
Proteins a group of nutrients that provide energy and building blocks for growth and repair of body tissues
Concentration the amount of material dissolved in a measure of liquid the more material dissolved in the liquid, the more concentrated the solution
Carbon Dioxide a colorless, odorless gas, present in the atmosphere. It is given off by plants, animals, and some chemical reactions.
Vitamin C an essention acid in human nutrition
Indicator an object, material, or organism that shows the presence of certain materials.
Carbohydrate refers to a group of nutrients that provide energy, sugars, and starches.
Sugar a simple chemical used as an energy source by most life forms
Metabolism the process of breaking down food to yield energy to keep organisms functioning
Yeast a single celled organism in the fungus kingdom
Food anything that people eat that provides energy and allows them to grow
Acid a chemical that has a characteristic sour taste
Chemical Reaction a change that occurs as a result of mixing two or more materials together. A reaction forms new materials with different properties from the original.
How do you know which breakfast cereals contain the most sugar? The greater the amount of carbon dioxide produced by yeast in a food sample, the greater the amount of sugar in the sample.
What chemical can be used to indicate acid in food? Baking soda can be used to indicate acid in food.
What indicator is used to detect vitamin c? Indophenol
What is a good source of vitamin c? Fruit juice
What is the evidence that vitamin c is present? The indicator becomes colorless.
What does the size of the grease spot tell us about the amount of fat in food? The food that produces the largest grease spot has the most fat.
What can we use to determine how much fat was in a particular food? Brown paper bag.
What can we use to test foods and determine how much sugar they have? Yeast can be used to indicate sugar in foods.
What does the amount of gas in the acid test tell us? The amount of gas produced in an acid test is an indicator of the concentration of the acid.
Why do you think cooks put sour milk and baking soda into pancakes and biscuits? To form gas to make the baked goods rise.
What is indophenol used for? It is an indicator of vitamin c in foods.
What does a nutritional lunch consist of? A nutritional lunch has the right amount of calories, proteins, carbohydrates, and fat.

5th Grade ecosystems

Question Answer
individual a single organism in an environment
population individuals of the same kind living in the same environment
community all the populations of organisms living together in an environment
habitat a place in an ecosystem where a population lives
producer an organism that makes it's own food
niche the roll each population has in it's habitat
consumers an organism in a community that must eat to get energy it needs
energy pyramid shows the amount of energy available to pass from one level of a food chain to the next
competition the contest among organisms for the limited resources of an ecosystem
instinct a behavior that an organism inherits
symbiosis a long term relationship between different kinds of organisms
learned behavior a behavior an animal learns from it's parents
extinct no longer in existence – discribes a species when the last individual of a population dies and that organism is gone forever
exotic an imported or non-native organism
endangered a term describing a population of organisms that is likely to become extinct if steps are not taken to save it
threatened describes a population of organisms that is likely to become endangered if they are not protected
eco system a community and it's physical environment together
decomposer composes and breaks down the tissues of dead organisms
food chain the ways in which the organisms in an ecosystem interact with one another according to what they eat
food web shows the interactions among many different food chains in a single ecosystem