The tendency of an organism or a cell to regulate its internal conditions, usually by a system of feedback controls, so as to stabilize health and functioning, regardless of the outside changing conditions
What is "Homeostasis"
100
Group VIIA elements: F, Cl, Br, I
What are "Halogens"
100
angle between direction of motion of waves and a line perpendicular to surface the waves are striking
What is "Angle of Incidence"
200
A solution that has higher osmotic pressure (or has more solutes) than another solution to which it is compared
What is "Hypertonic Solution"
200
The time required for half of a reactant to be converted into product(s). The time required for half of a given sample to undergo radioactive decay
What is "Half-life"
200
measure of light emitted by source in candelas
Hint: luminous flux divided by 4pie.
What is "Luminance Intensity"
300
The hardest substance in our bodies and the location it is found in.
What is "Enamel" and "mouth".
300
The positive electrode. Electrode at which oxidation occurs.
What is "anode"
300
A complicated technique using x-rays to "create an image" where no lense to focus the light rays is available
What is "X-ray Diffraction"
400
The number of teeth an child have and the number of teeth an adult have.
What is 20 and 32
400
The study of the energy transfers accompanying physical and chemical processes
What is "Thermodynamics"
500
formula: C10 H16 N5 O13 P3
Hint : another name for energy