Reading Check

Rotate the shafts 180° and record south side reading. Check for repeatability. 

Reading Checks and caption questions throughout the text. 

O Reading Check Explain the benefits of ozone in the atmosphere. 

O Reading Check Explain why scientists thought CFCs were safe for the environment. 

O Reading Check Identify two additional types of models that are used by scientists. 

O Reading Check Explain what triggers the formation of the ozone hole over Antarctica. 

O Reading Check State the quantities that must be known in order to calculate density. 

O Reading Check Restate the process used to add two numbers that are expressed in scientific notation. 

O Reading Check Name the type of error that involves a ratio. 

O Reading Check Explain why extrapolation might be less reliable than interpolation. 

O Reading Check Name and define the common states of matter. 

O Reading Check Compare the properties of solids and liquids in terms of their particle arrangements. 

O Reading Check Define physical property and provide examples. 

O Reading Check Compare physical and chemical properties. 

O Reading Check Compare and contrast heterogeneous and homogeneous mixtures. Give examples of each. 

O Reading Check Summarize the different types of matter and how they are related to each other. 

O Reading Check State the law of multiple proportions in your own words. 

O Reading Check Infer why it was hard for Democritus to defend his ideas. 

Reading Check Summarize how Thomson discovered the electron. 

Of Reading Check Explain why Thomson s model was called the plum pudding model. 

Cf Reading Check Describe Rutherford s model of the atom. 

O Reading Check Explain how to calculate atomic mass. 

O Reading Check State the relationship between the energy and the frequency of electromagnetic radiation. 

O Reading Check Explain why the color of heated objects changes with their temperature. 

O Reading Check Explain why different colors of light result from electron behavior in the atom. 

O Reading Check Describe where electrons are located in an atom. 

O Reading Check State the three rules that define how electrons are arranged in atoms. 

O Reading Check Explain how to write the noble-gas notation for an element. What is the noble-gas notation for calcium ... 

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