Atomic theory each - Study guides, Class notes & Summaries

dependent: a variable whose value is measured during an experiment to see if it is influenced by changes in the independent variable. independent: a variable whose value is controlled and manually changed during an experiment to reveal effects on the dependent. - ️️define: dependent vs. independent variables living organisms have cells, movement, reproduction and growth abilities. - ️️compare living organisms with nonliving objects. viruses have DNA. however, they are not made of ...

AP Biology Midterm Exam Study Guide A hypothesis must be these 2 things... Testable and falsifiable What are the levels of organization? Molecules, organelles, cells, tissues, organs, organ systems, organism, population, community, ecosystem, biome, biosphere What is a theory? Well-tested explanation that unifies a broad range of observations and evidence What is a hypothesis? A supposition or proposed explanation made on the basis of limited evidence as a starting point for ...

Chemistry 1 Honors Final Exam Review 2024 with Correct Answers a broad generalization that explains a body of facts or phenomena - Answer- theory a testable statement - Answer- hypothesis a measure of the quantity of matter - Answer- mass a measure of the gravitational pull on matter - Answer- weight the closeness of measurements to the correct or accepted value of the quantity measured - Answer- accuracy the closeness of a set of measurements of the same quantity made in the same way - ...

GACE Middle Grades Science 014 Exam Questions And Answers (Updated And Verified) Scientific method - answerobservation question hypothesis experiment analyze & conclusion hypothesis - answera possible explanation, that can be tested, for a set of observations (can be changed or modified) theory - answeralso referred to as a model, describes and explains why phenomena occur (can be changed or modified) law - answeralso referred to as a principle, is a statement summarizing conditions ...

Atomic Theory Correct Answer-an explanation of the structure of matter in terms of different combinations of very small particles (atoms). is a theory of the nature of matter, which states that matter is composed of discrete units called atoms, as opposed to the obsolete notion that matter could be divided into any arbitrarily small quantity. Evidence of Atomic Theory Correct Answer-John Dalton proposed that each chemical element is composed of atoms of a single, unique type, and though they ...

AQA AS level Chemistry exam 2024 questions with 100% correct answers Nucleons - ANSWERS Protons and neutrons Electrons (location) - ANSWERS Surrounding the nucleus Relative mass of an electron - ANSWERS 1/1840 Strong nuclear force - ANSWERS The way protons and neutrons are held together in the nucleus Electrostatic forces - ANSWERS The attraction between protons and electrons that hold them together in the atom Atomic Number (Z) - ANSWERS The number of protons in the nucleus Mass nu...

CSTU EXAMWorld War I - correct answer Leaves over nine million dead The Russian Revolution and Communism - correct answer -Also called the Bolshevik revolution -the "Russian Social Democratic Party" -Led by Vladimir Lenin—succeeded by Joseph Stalin, who undertook a massive industrialization scheme World War II - correct answer -Marked by the rise of Adolf Hitler and Fascism in Germany -Leaves between 50-80 million dead -Leads to the lingering effects of Atomic warfare and the memory...

Test Bank for Introduction to General, Organic and Biochemistry 12e 12th Edition by Frederick A. Bettelheim; William H. Brown; Mary K. Campbell; Shawn O. Farrell; Omar Torres. ISBN-13: 1594 Full Chapters test bank Chapter 1: Matter, Energy, and Measurement 1.1 Chemistry and the Study of Matter 1.2 The Scientific Method 1.3 Reporting Numbers in Science 1.4 Making Measurements 1.5 Unit Conversions 1.6 States of Matter 1.7 Density and Specific Gravity 1.8 Describing the Various For...

AQA AS level Chemistry exam 2024 questions with 100% correct answers Nucleons - ANSWERS Protons and neutrons Electrons (location) - ANSWERS Surrounding the nucleus Relative mass of an electron - ANSWERS 1/1840 Strong nuclear force - ANSWERS The way protons and neutrons are held together in the nucleus Electrostatic forces - ANSWERS The attraction between protons and electrons that hold them together in the atom Atomic Number (Z) - ANSWERS The number of protons in the nucleus Mass nu...

a broad generalization that explains a body of facts or phenomena - Answer-theory a testable statement - Answer-hypothesis a measure of the quantity of matter - Answer-mass a measure of the gravitational pull on matter - Answer-weight the closeness of measurements to the correct or accepted value of the quantity measured - Answeraccuracy the closeness of a set of measurements of the same quantity made in the same way - Answerprecision consists of all the digits known with certainty plus on...