A study of territoriality in mice A study of the cleaning habits of mice Observation of conditioned responses in different animals Learning and perception in animals and humans Studies of memory span and memory retention Worker efficiency vs. Do long hours really pay off? A study of the relation between physical exercise and learning ability Is audio or visual information better remembered Which gender, grade, and ethnicity have the most stress?
Scientists have gotten very close to reaching absolute zero but it is impossible to reach it. Acidic solutions will turn a litmus red. It is non-magnetic and an excellent electrical conductor. It is of low density and high ductility.
The oxide film results in a material that resists corrosion. The film can be thickened using electrolysis. It shows some hints of nonmetal behavior as well as the more typical metal reaction. Pure aluminum is quite soft and lacking in strength. Aluminum used in commercial applications has small amounts of silicon and iron added, resulting in greatly improved strength and hardness.
It is colorless, odorless and extremely unreactive. Argon forms no stable compounds at room temperature. Used in a sentence: The smallest particle of a chemical element that can take part in a chemical reaction without being permanently changed.
For every particle of ordinary matter there is an almost identical antiparticle of antimatter. It is thickest near the ground and gradually fades away to nothing in outerspace.
B bacteria — members of either of two kingdoms of one-celled living things that have no nucleus, or center, in their cell body.
The barometer unit of measure is called millibars. Base solutions will turn a litmus blue. A battery consist of one or more units called electric cells. Each cell has all the chemicals and parts needed to produce an electric current.
On the surface of beryllium a thin layer of the hard oxide BeO forms, protecting the metal from further attack by water or air.
As a result of the BeO layer, beryllium does not oxidize in air even at C and it resists corrosion by concentrated nitric acid. Beryllium also has high thermal conductivity and is nonmagnetic.
Big Bang — take a large hardcover book and hold it flat about the level of your eyes. On a hard, flat surface, drop the book. It exists in many polymorphs different crystal lattice structuressome more metallic than others.
Metallic boron is extremely hard and has a very high melting point. Boron does not generally make ionic bonds, it forms stable covalent bonds. Boron can transmit portions of infrared light. Boron is a poor room temperature conductor of electricity but its conductivity improves markedly at higher temperatures.
C calcium Ca — element 20 on the periodic table, is reactive and, for a metal, soft. In contact with air, calcium develops a mixed oxide and nitride coating, which protects it from further corrosion.
Calcium reacts easily with water and acids and the metal burns brightly in air, forming mainly the nitride. Carbon exists in several allotropes, including graphite, diamond, amorphous carbon, fullerines and nanotubes carbon cycle — the continuous exchange of carbon dioxide and oxygen moving among living things.
It is not found free in nature as it combines readily with nearly all other elements. In its liquid and solid form it is a powerful bleaching, oxidizing and disinfecting agent.
Chemical reactions involve the formation or destruction of bonds between atoms. Electricity must flow in a circuit to do useful work.Refraction: Refraction, in physics, the change in direction of a wave passing from one medium to another caused by its change in speed.
For example, waves in deep water travel faster than in shallow.
If an ocean wave approaches a beach obliquely, the part of the wave farther from the beach will move faster. Science news and science articles from New Scientist. Ontario science curriculum. Has lesson plans, experiments and activities (Ont. 6 and 8) on light and optics, electricity, cells, tissues and organ systems, diversity of living things, air/flight, machines and mechanical efficiency.
Corflu is the annual convention for fanzine fans. Corflu 36 will be held on the first weekend in May at the Cambria Hotels & Suites in Rockville, Maryland (Washington DC area).
COLOR PHYSICS: The science of color, particularly the science of light and color perception. Color is defined as a visual sensation caused by the components of light either transmitted or reflected to the receptors in our eye.
Water refraction science experiment to wow your kids. This is a classic reversing arrows trick perfect for. A to Z Teacher Stuff ~ Teacher Resources, Lesson Plans, Themes, Tips, Printables, and more.