Student Planner Place this in the proper place January 7, 2016 Notebook due Monday Thompson’s Plum Pudding model
Summary: We had a standard opening. We discussed earthquake preparation, then started follow-along reading Chapter 12.
Answer the last class’s EQ which was: Essential Question: Name one of the 3 parts of Dalton’s Atomic Theory
Topic/Objective: Name: Introduction to Atoms Class/Period: Date: Jan 7, 2016 Essential Question: The diameter of an atom is _____?_____ times greater than the diameter of the nucleus.
Warm Up
1. Why did Demoncritus theory on atoms get ignored in favor of Aristotle?
2. Democritus made his theory of atoms about 440 BC 2. Democritus made his theory of atoms about 440 BC. Aristotle was born in 384 BC. Who is the more recent of the two? a) Democritus b) Aristotle c) lived the same time
3. Theories about dinosaurs and atoms have changed over the years 3. Theories about dinosaurs and atoms have changed over the years. What is the basis of making these changes? a) direct evidence like photos of each. b) indirect evidence like footprints; c) eyewitness accounts; d) direct observation.
4. Dalton said that atoms are indivisible (cannot be broken into parts). Give an example where we easily break electrons from atoms.
Answers
1. Why did Demoncritus theory on atoms get ignored in favor of Aristotle?
1. Why did Demoncritus theory on atoms get ignored in favor of Aristotle? Aristotle was more popular and had a stronger influence on popular belief
2. Democritus made his theory of atoms about 440 BC 2. Democritus made his theory of atoms about 440 BC. Aristotle was born in 384 BC. Who is the more recent of the two? a) Democritus b) Aristotle c) lived the same time
2. Democritus made his theory of atoms about 440 BC 2. Democritus made his theory of atoms about 440 BC. Aristotle was born in 384 BC. Who is the more recent of the two? a) Democritus b) Aristotle (66 years apart in the example) c) lived the same time
3. Theories about dinosaurs and atoms have changed over the years 3. Theories about dinosaurs and atoms have changed over the years. What is the basis of making these changes? a) direct evidence like photos of each. b) indirect evidence like footprints; c) eyewitness accounts; d) direct observation.
3. Theories about dinosaurs and atoms have changed over the years 3. Theories about dinosaurs and atoms have changed over the years. What is the basis of making these changes? a) direct evidence like photos of each. b) indirect evidence like footprints; c) eyewitness accounts; d) direct observation.
4. Dalton said that atoms are indivisible (cannot be broken into parts). Give an example where we easily break electrons from atoms.
4. Dalton said that atoms are indivisible (cannot be broken into parts). Give an example where we easily break electrons from atoms. Static electricity Electric generators
Homework Have new notebook for class by Monday
Today’s Work 1. Vocabulary quiz 2. Read along Chapter 12.1 page 302
Vocabulary Test Chapter 12.1 1. No talking 2. no notes 3. Run through it once
1. the negatively charged particle found in all atoms; these particles are involved in the formation of chemical bonds. a) Atom; b) Electrons; c) Model; d) Electron clouds; e) Nucleus; ab) Theory
2. the smallest particle into which an element can be divided and still retain all the properties of that element. a) Atom; b) Electrons; c) Model; d) Electron clouds; e) Nucleus; ab) Theory
3. the regions inside an atom where electrons are likely to be found. a) Atom; b) Electrons; c) Model; d) Electron clouds; e) Nucleus; ab) Theory
4. a representation of an object or system. a) Atom; b) Electrons; c) Model; d) Electron clouds; e) Nucleus; ab) Theory
5. a unifying explanation for a broad range of hypotheses and observations that have been supported by testing a) Atom; b) Electrons; c) Model; d) Electron clouds; e) Nucleus; ab) Theory
6. the tiny, extremely dense, positively charged region in the center of an atom; made up of protons and neutrons a) Atom; b) Electrons; c) Model; d) Electron clouds; e) Nucleus; ab) Theory