an imaginary line that passes through Earth's center and its North and South Poles- Week 1 begins
structural adaptation that enables species to blend with their surroundings; allows a species to avoid detection by predators
The experimental factor that is being measured; the variable that may change in response to manipulations of the independent variable
The process by which wind, water, ice, or gravity transports soil and sediment from one location to another- Week 1 ends
living and nonliving things in an environment, together with their interactions- Week 2 begins
a force of attraction between objects that is due to their masses; larger objects have more gravitational pull; ex. sun vs. Earth
process by which the number of chromosomes per cell is cut in half through the separation of chromosomes in a diploid cell
a substance consisting of two or more substances mixed together (not in fixed proportions and not with chemical bonding)
element that is a poor conductor of heat and electricity and lacks the qualities of a metal.
the ratio of the distance an object moves to the amount of time the object moves; D/T- week 3 begins
substances in food that your body needs to grow, to repair itself, and to supply you with energy
the stage of the cell cycle during which the cell's nucleus divides into two new nuclei and one copy of the DNA is distributed into each daughter cell
spinning of Earth on its imaginary axis, which takes about 24 hours to complete and causes day and night to occur
a standard against which other conditions can be compared in a scientific experiment; the comparison group
a gas that animals need to use in respiration and that plants give off into the air during photosynthesis; element symbol: O
process by which plants use the sun's energy to convert water and carbon dioxide into sugars
the results and your observations from the experiment are recorded. use tables, graphs or charts to show your results.
the continuous movement of water between Earth's surface and the air, changing from liquid to gas to liquid
the process by which rock materials are broken down by the action of physical or chemical processes
a manifestation of energy; Ex. the transfer of energy from one physical system to another expressed as the product of a force and the distance through which it moves a body in the direction of that force; equals force times distance"-
nonliving, physical features of the environment, including air, water, sunlight, soil, temperature, and climate
organisms that break down wastes and dead organisms and return raw materials to the environment- start week 7
when the moon's shadow hits earth (solar-New moon phase) or earth's shadow hits the moon (lunar-Full moon phase)
A design in which researchers manipulate an independent variable and measure a dependent variable to determine a cause-and-effect relationship
system responsible for taking in oxygen and releasing carbon dioxide using the lungs
short period of climate change in an area caused by the tilt of Earth's axis as Earth revolves around the sun
any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
The human body system that contains the heart, blood, and all of the blood vessels. It delivers all the nutrients to the cells
Male germ cell containing 1/2 of somatic cell chromosomes- 50% of sperm are Y & 50% X chromosome -end week 7
water contained in places such as lakes, ponds, rivers, streams, and reservoirs and above the ground
substance formed by the chemical combination of two or more elements in definite proportions
Metric unit for measuring temperature; On this scale water freezes at zero and boils at 100.
water that seeps downward into and through soil or rock; water stored underground in rock layers
Ionizing radiation applied to food to kill microorganisms and other pests. Ionizing radiation disrupts the internal molecular workings of cells, killing them.
Low lands along riverbanks, lakes, and coastlines subjected to periodic indunation of water- end week 8
a homogeneous mixture of two or more substances that involves dissolving; it can still be separated
The way your muscles and bones work together with the help of your nerves, and use the energy provided by cellular respiration within your cells to produce movement.
stored energy that is latent but available for use. A rock poised at the top of a hill or water stored behind a dam are examples.
A temperature scale with the freezing point of water 32 degrees and the boiling point of 212 degrees is also known as,
When energy changes from one form to another. E can never be created or destroyed. Law of Conservation
threadlike structures made of DNA molecules that contain the genes; humans have 46 chromosomes in 23 pairs
septic & sewage systems
designed to clean human waste water and eventually drain into ground and surface water
Powerhouse of the cell, organelle that is the site of ATP (energy) production through cellular respiration
thin, flexible barrier around a cell; regulates what enters and leaves the cell- end week 9
the ratio of the force exerted by a machine (output) to the force applied to it (input)
individual sections of the lithosphere of the earth. They fit together in a way similar to a jigsaw puzzle, but are always moving very slowly, floating on the molten rock of the lower mantle.
motion in a circle caused by a resultant force acting towards the center of the circle; ex sun's gravity pulls Earth's orbit out of a straight path.
Long Island Sound
a body of water (sound) between Long Island and Connecticut; all watersheds in CT reach LI sound