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Key Features Delivers on many levels with quality fit and finishlooks performance pricing and delivery Full range of distributionsdirectindirect semiindirect and asymmetric wall mount Variable Optics kits and lamp separators for directindirect fixtures allow for onsite finessing of light levels. “The most incomprehensible thing about the world is that it is comprehensible.”. – . Albert Einstein. Day. 18, 3/31:. . Questions? . Electron Diffraction. Wave packets and uncertainty. Next Week:. Axion Dark Matter. Georg G. . Raffelt. , Max-Planck-. Institut. f. ür Physik, . München. Physics Colloquium, University of Sydney, 3 March 2014. Axions. as Cold Dark Matter of the Universe. Dark . Matter. Matter is anything that has . mass. and takes up . space. .. See excerpt from Bill Bryson. Everything around you is made of matter.. Can matter change? If yes, how?. Properties of Matter. A . and Density. Stating a Measurement. In every measurement there is a. Number . followed by a . Unit . from a measuring . device. International System of Units (SI). adopted in 1960. seven base units which all others can be derived. What is the Matter?. Stuff of which all materials are made out of. Anything that has mass and takes up space. .. WHY ARE WE CONCERNED WITH MATTER??. Chemistry is the science concerned with the properties, composition, and behaviour of matter!. EQ: How are changes in matter related to changes . in energy?. Changes in Matter. You are at the beach. You built a sandcastle!. You notice storm clouds gathering in the distance.. You are sad : (. You know your sandcastle is about to go bye-bye.. Worksheet. Answers. Matter Quiz Review . Worksheet. 1. What is matter?. . anything that has mass and takes up space. 2. What is an atom?. . smallest basic building blocks of matter. 3. What are the three states of matter?. Matter. All matter has two types of properties: . Physical properties . Chemical properties. Physical properties. A . physical property . is a characteristic of a substance that can be observed without changing the substance into another substance.. TEK 5.5 A – Students will classify matter based on physical properties…. Matter. Matter. is any living or non-living thing in the universe. All objects, things, plants, people, animals, etc are made up of matter. Lisa Randall. Harvard University. @. lirarandall. . What do we know about dark matter?. It has gravitational interactions—of matter!. Gravitational . lensing. Rotation curves in galaxies. Detailed measurements of energy abundances—total and normal matter. Second Reason. : Humans matter more than animals because only humans are self-aware (or have the potential for self-awareness).. The fact that the human being can have the representation “I” raises him infinitely above all the other beings on earth. By this he is a person....that is, a being altogether different in rank and dignity from things, such as irrational animals, with which one may deal and dispose at one's discretion.. Element – a substance that is made up of one type of atom. Evaporation – is a change of state from a liquid to a gas. Solid – has a definite volume and shape. Define the following the words:. Physical Property – can be measured without changing the identity of a . Describing Matter. Extensive Properties: depend on amount of matter in a sample. Mass: amount of matter. Volume: space occupied. Intensive Properties: depend on type of matter, not amount. Density: mass/volume. Matter and Energy What is matter? Matter and Energy What is matter? It's what everything that occupies space and has mass is made of And everything like that is made out of chemical elements There are 92 naturally occurring chemical elements, and a number of synthetic ones