Podcast
Questions and Answers
What determines how a substance can be converted into another substance?
What determines how a substance can be converted into another substance?
- Physical changes
- Physical properties
- Chemical properties (correct)
- Classification of matter
What is a characteristic of a pure substance?
What is a characteristic of a pure substance?
- It is composed of more than one component
- It can be broken down into other pure substances by a physical change
- It has a constant composition regardless of sample size or origin (correct)
- It has a varying composition regardless of sample size or origin
What is an example of a mixture?
What is an example of a mixture?
- Sugar dissolved in water (correct)
- Sugar
- Oxygen
- Water
What is a characteristic of a mixture?
What is a characteristic of a mixture?
What is an element?
What is an element?
What is a compound?
What is a compound?
When rounding a number, what happens if the first digit to be dropped is between 0 and 4?
When rounding a number, what happens if the first digit to be dropped is between 0 and 4?
What is the purpose of the 'rounded to' column in Table 1.5?
What is the purpose of the 'rounded to' column in Table 1.5?
When performing addition and subtraction, how do you determine the number of decimal places in the answer?
When performing addition and subtraction, how do you determine the number of decimal places in the answer?
What is the range of the coefficient in scientific notation?
What is the range of the coefficient in scientific notation?
What happens if the first digit to be dropped is 5 or greater when rounding a number?
What happens if the first digit to be dropped is 5 or greater when rounding a number?
What is the exponent in scientific notation?
What is the exponent in scientific notation?
What is the purpose of moving the decimal point when converting a standard number to scientific notation?
What is the purpose of moving the decimal point when converting a standard number to scientific notation?
What happens when the exponent x is positive in a scientific notation number?
What happens when the exponent x is positive in a scientific notation number?
What is the purpose of writing conversion factors as fractions?
What is the purpose of writing conversion factors as fractions?
What is the goal when setting up a problem using conversion factors?
What is the goal when setting up a problem using conversion factors?
What happens when a unit appears in the numerator in one term and the denominator in another term?
What happens when a unit appears in the numerator in one term and the denominator in another term?
What is the result of multiplying a number by a conversion factor?
What is the result of multiplying a number by a conversion factor?
What are the two essential components of every measurement?
What are the two essential components of every measurement?
What is the base unit of length in the metric system?
What is the base unit of length in the metric system?
What is the symbol for the unit of mass in the metric system?
What is the symbol for the unit of mass in the metric system?
What is the numerical value of the prefix 'Mega'?
What is the numerical value of the prefix 'Mega'?
How is the unit 'Liter' related to the base unit of volume?
How is the unit 'Liter' related to the base unit of volume?
What is the prefix 'micro-' sometimes abbreviated as?
What is the prefix 'micro-' sometimes abbreviated as?
What is the base unit of length?
What is the base unit of length?
How many meters are in a kilometer?
How many meters are in a kilometer?
What is the base unit of mass?
What is the base unit of mass?
How many grams are in a kilogram?
How many grams are in a kilogram?
What is the difference between mass and weight?
What is the difference between mass and weight?
