'Half lives' diaporamas de présentation

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Radiometric Dating

Radiometric Dating

Radiometric Dating. Timothy G. Standish, Ph. D. Dating Fossils. Two methods:

By ryanadan
(376 views)

Final Jeopardy

Final Jeopardy

Final Jeopardy. Final Jeopardy Category. Final Jeopardy. answer. question. $200. half life. The amount of time it takes for a radioactive sample to decay to ½ of itself original mass is called_____. $400. 50%.

By Faraday
(336 views)

Dinosaurs and Fossils

Dinosaurs and Fossils

Dinosaurs and Fossils. Determining the age of dinosaur fossils. Dino Domination. Dinosaurs ruled the earth for 165 million years Mass extinction at the end of the Cretaceous period, 65 million years ago . How do we know?. Fossils of every shape and size have been found on 6 continents

By trapper
(156 views)

Chemistry Chapter 28

Chemistry Chapter 28

Chemistry Chapter 28. Section 28.1 Nuclear Radiation. Objectives: Discuss the processes of radioactivity and radioactive decay Characterize alpha, beta, and gamma radiation in terms of composition and penetrating power. Radioactivity.

By eyal
(177 views)

NUCLEAR CHANGES

NUCLEAR CHANGES

NUCLEAR CHANGES. Chapter 9. Nuclear Radiation. Radioactivity: process by which an unstable nucleus emits one or more particles or energy in the form of electromagnetic radiation . nuclear radiation: particles that are released from nucleus during radioactive decay. ALPHA PARTICLES.

By lyre
(409 views)

Progressivism and the Age of Reform

Progressivism and the Age of Reform

Progressivism and the Age of Reform. Progressivism and the Age of Reform. Tenement Reform Child Labor Trusts Political Reform • Anti-Lynching Crusade The Election of 1912. Tenement Reform. Tenements Jacob Riis: Danish immigrant, journalist One of the first to use flash photography

By base
(176 views)

Systematic calculations of alpha decay half-lives and branching ratios of unstable nuclei

Systematic calculations of alpha decay half-lives and branching ratios of unstable nuclei

Systematic calculations of alpha decay half-lives and branching ratios of unstable nuclei. Zhongzhou REN ( 任 中洲 ) Department of Physics, Nanjing University, Nanjing, China. Outline. Review: alpha decay and cluster radioactivity

By ora
(272 views)

Nuclear Reactions Chapter 21 (VERY loosely) (only need to know what is presented here)

Nuclear Reactions Chapter 21 (VERY loosely) (only need to know what is presented here)

Nuclear Reactions Chapter 21 (VERY loosely) (only need to know what is presented here). Dr. C. Yau Fall 2014. 1. Mass number = # protons + # neutrons (due to 6 p and 8 n). What do you need to know?. You are responsible only for the topics on nuclear reactions I present here.

By ostinmannual
(210 views)

Radiometric Dating

Radiometric Dating

Radiometric Dating. Half-life. Radioactivity. Radioactive Isotopes are unstable and emit/capture elemental particles, causing them to change over time. Parent isotope – the original radioactive element Daughter isotope – the decay product; what the parent changes into. Half Life.

By thwaite
(235 views)

How the Other Half Lives , a photo essay by Jacob Riis

How the Other Half Lives , a photo essay by Jacob Riis

How the Other Half Lives , a photo essay by Jacob Riis. Jacob Riis was a Danish-born muckraker, or journalist, who sought to improve the lives of the poor in New York City. Muckrakers.

By karl
(191 views)

Stuff of Dreams-Calculating Half-life

Stuff of Dreams-Calculating Half-life

Stuff of Dreams-Calculating Half-life. Complete this activity, the “Stuff of Dreams-Ionic” worksheet, and “Stuff of Dreams-Radioisotopes Review” before retaking “Bohr Atoms” assessment. The problem-evaluate.

By darryl
(120 views)

How the Other Half Lives , a photo essay by Jacob Riis

How the Other Half Lives , a photo essay by Jacob Riis

How the Other Half Lives , a photo essay by Jacob Riis. Jacob Riis was a Danish-born muckraker, or journalist, who sought to improve the lives of the poor in New York City. Muckrakers.

By mervin
(389 views)

Evolution

Evolution

Evolution. Evidence of Change. What is Evolution?. The change in gene frequencies in a population over time. Evolution and Life’s Diversity. The idea that life has and is changing over time is not new. Evolution is the process by which modern organisms have descended from ancient organisms.

By makala
(138 views)

Nuclear Chemistry

Nuclear Chemistry

Nuclear Chemistry. September 21, 2009 Trianna McCall. Nuclear Reactions. Nuclear chemistry is the study of changes in an atoms nucleus. Reactions that involve a change in the nucleus of an atom are called nuclear reactions . Characteristics of Nuclear Reactions.

By sydney
(189 views)

Chemistry is where you learn 2 + 2 = 10 or something. 		— Dennis Rodman

Chemistry is where you learn 2 + 2 = 10 or something. — Dennis Rodman

Chemistry is where you learn 2 + 2 = 10 or something. — Dennis Rodman. Chemistry Math With Chemistry-specific graphs. Variables. Independent Variable “I” change Graphed on “ x ” axis Dependent Variable which “Depends” on independent variable Tested during experiment

By jui
(105 views)

Progressive Journalists: The Muckrakers

Progressive Journalists: The Muckrakers

Progressive Journalists: The Muckrakers. This is one choice for muckraker intro. Progressivism. The Main Idea

By gage
(123 views)

Jigsaw Benchmark Review

Jigsaw Benchmark Review

Jigsaw Benchmark Review. By.Chandler Hatch,Mollie McNeil,Corinne Wallick,Ashley Adams, Zach Rider. Half-Life. Time it takes for half of an element to decay Divide by half(mass divided by half) Ex;100g (half-life five days) 20 days 6.25g (20/5) 4 half lives. IMA of a Lever.

By oral
(127 views)

The equation

The equation

Half – Life All radioisotopes have a half life. The half is of any given radioisotope is the amount of time required for one half (50%) of the sample to decay. The equation. Total Time elapse (HOW LONG). # of half lives. Half – Life (can be found in table N). 2. 1. 3.

By storm
(158 views)

Half-Lives

Half-Lives

Half-Lives. Half-Lives. Rates of radioactive decay Measured in half-lives But what is a half-life? The time required for one-half of a radioisotope's nuclei to decay into its products. Determining Half-Life. Half-Lives are Exponential. Calculating Amount Remaining. initial mass.

By ariane
(317 views)

Different types of radio-dating

Different types of radio-dating

Different types of radio-dating. Radiodating. Radiodating always require you to determine the amount of radioactive isotopes present in the past and compare it to what is present today. C-14 works because the amount of C-14 in living things is always the same.

By varick
(122 views)

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