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[DOC File]8TH GRADE SCIENCE VOCABULARY GLOSSARY
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Substance- That of which a thing consists; physical matter or material. Symbol- Represents the name of an element on a periodic table. System- A collection …
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[DOC File]Lab: Density
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Substance Density Sink or float? Water g/mL Oil g/mL Block # _____ g/cm3 Block # _____ g/cm3 Substance: g/mL Questions: 1. Which substances floated? 2. Which substances sunk? 3. In general, did the substances that floated have a density greater than or less than 1? 4. Predict whether the following substances will float or sink.
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[DOC File]Phase Diagram Worksheet
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2) What is the normal boiling point of this substance? 3750 C. 3) What is the normal freezing point of this substance? 1000 C. 4) If I had a quantity of this substance at a pressure of 1.25 atm and a temperature of 3000 C and lowered the pressure to 0.25 atm, what phase transition(s) would occur? It would vaporize at a pressure of ~0.75 atm ...
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[DOC File]USING INDICATORS TO TEST WHETHER A SUBSTANCE IS AN …
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For each substance, measure a soup spoon of the substance and stir into the glass. It is important the amount of each substance is the same (controlled element). That way the amount of colour change that occurs will correctly indicate the strength of the acid or base, rather than be affected by the amount of the substance added.
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[DOC File]Heating Curve Worksheet - Energy
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9) The temperature at which a substance in the liquid state freezes is the same as the temperature at which the substance-a. Melts b. Sublimes c. Boils d. Condenses. EXPLAIN YOUR CHOICE: Melting and freezing begin at the same temperature, it depends if you …
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[DOC File]Grade 2 Standards - NGSS (CA Dept of Education)
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and Applications of Science. Influence of Engineering, Technology, and Science on Society and the Natural World . Developing and using technology has impacts on the natural world. (2-ESS2-1)-----Connections to Nature of Science. Science Addresses Questions About the Natural and Material World. Scientists study the natural and material world.
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[DOC File]Biological Macromolecules Lab
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Copper oxide is a brownish-orange substance that is insoluble in water. Therefore, a positive reaction in a Benedict’s test is the change of the clear light blue solution to an opaque orange-brown solution in a boiling water bath. This color change indicates the presence of glucose in a given solution.
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[DOCX File]Purdue University - Indiana's Land Grant University
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Select “pure substance” or “mixture” by placing an “X” in one of the first two grayed columns. Then, classify each substance as an element, a compound, a homogeneous mixture, or a heterogeneous by placing an “X” in one of the four columns to the right (no fill color). An example is completed for you.
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[DOC File]Physical Science Worksheet: Chapters 8 and 9
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5. The pH of a substance is a measure of its. A) boiling point. B) food value. C) ability to mix with water. D) hydronium ion concentration. 6. The label on a bottle indicates that the substance inside has a pH of 13. This tells you that the substance is. A) neutral. B) strongly acidic. C) mildly basic. D) strongly basic. 7.
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[DOC File]Chapter 2 Matter Test
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A pure substance made of two or more elements that are chemically combined is a mixture. An element is a pure substance that cannot be broken down into any other substances by chemical means. During a chemical change, the form of a substance is altered, but not its identity. Steel rod being heated into a molten metal is an example of a phase change.
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What is a substance in science