Matter is anything that has mass and occupies space. It exists in different states—solid, liquid, gas, and plasma—and can undergo various changes. These changes can be classified as physical or chemical. Physical changes affect the form or appearance of matter without changing its composition, s...
Matter is anything that has mass and occupies space. It exists in different states—solid, liquid, gas, and plasma—and can undergo various changes. These changes can be classified as physical or chemical. Physical changes affect the form or appearance of matter without changing its composition, such as melting ice or dissolving sugar in water. Chemical changes, on the other hand, result in the formation of new substances, like when iron rusts or wood burns.
In this presentation, we will explore the properties of matter and the differences between physical and chemical changes. We will look at examples of both types of transformations, discuss indicators of chemical reactions, and understand why these changes are fundamental to the study of science.
Mixtures Lesson 1. Classification of Matter Types of Matter Next Concept Previous Concept 1 2 4 3 5 Lessons HOME Types of Matter Mixtures are types of matter with the following characteristics: ● composed of two or more different physically combined substances ● ratio of substances (composition) of a mixture can vary ● can be separated through physical processes ● properties of individual substances are retained in a mixture ● can be homogeneous or heterogeneous Show Notes
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Lesson 1. Classification of Matter 1. What are the three subatomic particles found in atoms of all elements? Protons, electrons and neutrons Answer Back to Concept Next Question 1 2 4 3 5 Lessons HOME Previous Question Quick-Quiz: Students Get Tested Elements on
Lesson 1. Classification of Matter 2. State one difference between a compound and an element a compound can be broken down an element cannot be broken down a compound is composed of two or more different atoms an element is composed of one type of atom Answer Back to Concept Next Question 1 2 4 3 5 Lessons HOME Previous Question Quick-Quiz: Students Get Tested Types of Matter on
Lesson 1. Classification of Matter 3. Your teacher stopped at the water fountain before getting to class, and gulped down 53 grams of water. Assuming your school water is pure: How many grams of hydrogen did he take in? How many grams of oxygen did he take in? 5.83 grams H 47.17 grams O Answer Back to Concept Next Question 1 2 4 3 5 Lessons HOME Previous Question Quick-Quiz: Students Get Tested Law of Definite Composition on
Lesson 1. Classification of Matter 4. Explain, in terms of composition, why a pepperoni pizza is a heterogeneous mixture. Equal slices of the same pizza will not have exactly the same amounts of the ingredients. Components of the pizza can be easily seen and identified Answer Back to Concept Next Question 1 2 4 3 5 Lessons HOME Previous Question Quick-Quiz: Students Get Tested Types of Matter on
Lesson 1. Classification of Matter 5. A distillation apparatus shown below was setup to recover sea salt from a sample of seawater. Identify the equipment (by name) in which salt crystals would be found at the completion of the distillation process. Distilling flask Answer Back to Concept Next Question 1 2 4 3 5 Lessons HOME Previous Question Quick-Quiz: Students Get Tested Separation of Matter on
Lesson 2. Phases of Matter Answer Back to Phase Changes Next Question 6. What is the common name for solid carbon dioxide, CO 2 (s) Dry ice What is solid carbon dioxide, CO 2 (s) , commonly used for during natural disasters and power outages? 7. To keep food items cold and from spoiling during power outages 1 2 4 3 5 Lessons HOME Previous Question In terms of energy, explain why you would get seriously burn if you place your hand over steam (of boiling water). 8. Steam will release energy as it condenses on your hand. Since steam packs a lot of energy, all that energy is released on your hand. It is the energy that is released by steam that will burn you. Quick-Quiz: Students Get Tested Phase Changes on Back to Phase & Energy
Lesson 2. Phases of Matter 9. Arrange the three metals below in order from lowest kinetic energy to highest kinetic energy. Platinum gold copper 75 o F 25 o C 296 K copper platinum gold Answer Back to Concept Next Question 1 2 4 3 5 Lessons HOME Previous Question Quick-Quiz: Students Get Tested Temperature on
Lesson 2. Phases of Matter 10. If you were given a blank thermometer as shown below, describe how you would create an accurate Kelvin thermometer. Establish two reference points on the thermometer using the freezing and boiling points of water ( 273K and 373K ). Divide the space between the two numbers evenly Answer Back to Concept Next Question 1 2 4 3 5 Lessons HOME 373 K 353 K 333 K 310 K 293 K 273 K -- - - - - - - - Previous Question Quick-Quiz: Students Get Tested Temperature on
Lesson 2. Phases of Matter 11. Given the phase change diagram below: Is the substance represented by the diagram water? Explain your answer using information from the diagram. No. The freezing point (60 o C) and boiling point (120 o C) are different from those of water (0 o C and 100 o C respectively) Answer Back to Concept Next Question 1 2 4 3 5 Lessons HOME Previous Question Quick-Quiz: Students Get Tested Phase Change Diagrams on
Lesson 3. Heat and Heat Calculations 12. In terms of heat, explain why you get cold when you are outside on a cold winter day. Assuming you do not have on appropriate winter clothing. Your body temperature is higher than the temperature outside on a cold winter day. Heat will move from your body to the colder outside surrounding, and your body temperature will drop. Answer Back to Concept Next Question 1 2 4 3 5 Lessons HOME Previous Question on Quick-Quiz: Students Get Tested Heat on
Lesson 4. Gases 13. Given these four gases: Cl 2 (chlorine), CO (carbon monoxide), NH 3 (ammonia) , and HCl (hydrogen chloride) Arrange them in the order of increasing deviation from an ideal gas behavior. NH 3 CO HCl Cl 2 lightest (17 g/mol) 28 g/mol 36g/mol heaviest (70 g/mol) (deviates least) increasing deviation from ideal gas behavior (deviates most) Answer Back to Concept Next Question 1 2 4 3 5 Lessons HOME Previous Question Quick-Quiz: Students Get Tested Kinetic Molecular Theory on
Next Concept Back to Concept 1 2 4 3 5 Lessons HOME
Back To Practice Problem Back to Concept 1 2 4 3 5 Lessons HOME Reference Table H: Vapor Pressure of Four Liquids Next Concept
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These are questions you can ask your students to see what they know about the concept you are about to teach them. You will typically click on the button before clicking on button. Once done with the inquiry question, you can click on to bring you back to the note slide where you can present the notes to your students. The next seven slides show all the inquiry questions in this topic. Back Go to Question List 1 2 4 3 5 Lessons HOME Back To ….. Inquiry: Students Think First Inquiry Show Notes NOTE: In this Free Preview, only the Inquiry questions for Lesson 1 and 2 are available. Inquiry Questions for Lesson 3 – 5 are available with Purchase of the complete Topic 1 notes