Podcast
Questions and Answers
Which of the following is a physical property?
Which of the following is a physical property?
When a positively charged object touches a neutral object, the neutral object loses electrons and becomes negatively charged.
When a positively charged object touches a neutral object, the neutral object loses electrons and becomes negatively charged.
False
A rock has a mass of 100g and a volume of 20 cm³. What is its density?
A rock has a mass of 100g and a volume of 20 cm³. What is its density?
5 g/cm³
In a heating curve, the temperature remains constant during a change of state, such as when a substance is ______.
In a heating curve, the temperature remains constant during a change of state, such as when a substance is ______.
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Match the following scenarios with the appropriate calculation:
Match the following scenarios with the appropriate calculation:
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Which of the following is NOT a property of non-metals?
Which of the following is NOT a property of non-metals?
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The element located in Group 17 and Period 3 of the periodic table is _________.
The element located in Group 17 and Period 3 of the periodic table is _________.
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What is the name of the compound $H_2O$?
What is the name of the compound $H_2O$?
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The atomic number of an element is equal to the number of neutrons in its nucleus.
The atomic number of an element is equal to the number of neutrons in its nucleus.
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A device with a resistance of 10 ohms has 2 amps of current flowing through it. What is the voltage across the device?
A device with a resistance of 10 ohms has 2 amps of current flowing through it. What is the voltage across the device?
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Match the following:
Match the following:
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What would a decreasing amount of producers in a food web do to the rest of the food web?
What would a decreasing amount of producers in a food web do to the rest of the food web?
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Which of the following is an example of a chemical property?
Which of the following is an example of a chemical property?
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Study Notes
Knowledge and Understanding
- Multiple Choice (30 marks): Covers various scientific concepts evenly across all units. Example questions test understanding of properties of matter, including metals.
- Fill in the Blank (6 marks): Focuses on knowledge of the periodic table and identifying elements by their position. Example question tests knowledge of element placement.
- Compare/Contrast (6 marks): Requires comparing and contrasting scientific concepts or processes, including chemical bonding types, such as ionic and covalent bonds.
Thinking and Inquiry
- Chemical Naming (10 marks): Focuses on correctly naming compounds using proper chemical nomenclature. Example tests ability to supply correct chemical names.
- Atomic Table (10 marks): Involves identifying atomic numbers, isotopes, and related information from the periodic table. Example question asks for the atomic number of a given element.
- Bohr-Rutherford Drawings (9 marks): Tests knowledge on building atomic models using the Bohr-Rutherford model, including depicting the correct distribution of protons, neutrons, and electrons in atoms. Example question involves constructing an oxygen atom model.
- Electricity Word Problems (13 marks): Requires solving problems using Ohm's Law (V = IR), efficiency, and cost calculations related to electricity. Example involves calculating current using power and voltage.
Application
- Population Graph (3 marks): Requires interpretation of population data presented in graphs and determining growth trends.
- Food Web Analysis (4 marks): Tests understanding of energy flow and relationships within a food web. Example involves determining organism impact from producer decrease.
- Classifying Substances (2 marks): Involves classifying materials as homogeneous or heterogeneous, elements, or compounds. Example tests the classification of a mixture.
- Physical and Chemical Properties (4 marks): Differentiates between physical properties (e.g., color, boiling point) and chemical properties (e.g., reactivity).
- Density Word Problem (5 marks): Requires solving problems involving density calculations (Density = Mass/Volume).
Communication
- Word Problem Format (6 marks): Tests the ability to formulate and solve word problems with correct units and statements. Example involves calculating distance from speed and time.
- Charging by Contact Diagram (4 marks): Requires drawing a diagram to demonstrate how objects become charged by contact. Example describes scenarios involving charging objects by contact.
- Change of State Graph Analysis (6 marks): Involves understanding and interpreting graphs that illustrate changes of state, including identifying the temperature at which changes occur. Example question involves analyzing heating curves.
- Circuit Drawing (2 marks): Tests the ability to draw basic electrical circuits, including components like batteries, resistors, and switches.
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Description
Test your understanding of physical properties in physics with this quiz. Answer questions regarding mass, volume, density, and phase changes in substances. Challenge your knowledge on how different physical scenarios relate to calculations.
