Podcast
Questions and Answers
What is an element?
What is an element?
- A substance with variable composition
- A substance consisting entirely of one type of atom (correct)
- A substance that cannot be broken down by physical means
- A substance consisting of different types of atoms
What does density measure?
What does density measure?
- The amount of mass in a given space (correct)
- The weight of an object
- The amount of matter in an object
- The amount of space an object occupies
If a metal rod has a density of 3.5 g/mL, what would be the density of each half if you were to slice the rod in half?
If a metal rod has a density of 3.5 g/mL, what would be the density of each half if you were to slice the rod in half?
- 7 g/mL
- Depends on the type of metal
- 3.5 g/mL (correct)
- 1.75 g/mL
Why can objects that are the same size have different masses?
Why can objects that are the same size have different masses?
Do two objects with the same mass always have the same volume?
Do two objects with the same mass always have the same volume?
What is the purpose of the scientific method?
What is the purpose of the scientific method?
What is the term for the rise in water levels when an object is placed into a container of water?
What is the term for the rise in water levels when an object is placed into a container of water?
What is qualitative information?
What is qualitative information?
What is quantitative information?
What is quantitative information?
What is the purpose of a graduated cylinder in science?
What is the purpose of a graduated cylinder in science?
What is the meniscus in a graduated cylinder?
What is the meniscus in a graduated cylinder?
Why do scientists use the metric system?
Why do scientists use the metric system?
What is the primary focus of chemistry?
What is the primary focus of chemistry?
What is a pure substance?
What is a pure substance?
Which of the following is NOT a state of matter?
Which of the following is NOT a state of matter?
What are atoms?
What are atoms?
What does the nucleus of an atom contain?
What does the nucleus of an atom contain?
What determines the chemical properties of an atom?
What determines the chemical properties of an atom?
What is a molecule?
What is a molecule?
What is the chemical formula for a molecule of water?
What is the chemical formula for a molecule of water?
How are molecules held together?
How are molecules held together?
What type of matter is a mixture?
What type of matter is a mixture?
Which particles orbit around the nucleus of an atom?
Which particles orbit around the nucleus of an atom?
Which of the following is a molecule of oxygen?
Which of the following is a molecule of oxygen?
