Podcast
Questions and Answers
What is the center of an atom usually made of?
What is the center of an atom usually made of?
- Protons and positrons
- Protons and electrons
- Electrons and neutrons
- Protons and neutrons (correct)
Which state of matter has a definite shape and definite volume?
Which state of matter has a definite shape and definite volume?
- Plasma
- Solid (correct)
- Liquid
- Gas
What happens to the mass when you grind a board down to sawdust?
What happens to the mass when you grind a board down to sawdust?
- A little less than 750 grams
- More than 750 grams
- Much less than 750 grams
- Exactly 750 grams (correct)
Which statement is true when comparing the thermal energy of water in a teacup and a bathtub?
Which statement is true when comparing the thermal energy of water in a teacup and a bathtub?
Which state of matter has no definite shape and no definite volume?
Which state of matter has no definite shape and no definite volume?
How is the element with atomic number 42 different from the element with atomic number 41?
How is the element with atomic number 42 different from the element with atomic number 41?
Which subatomic particle has a positive electrical charge?
Which subatomic particle has a positive electrical charge?
What is the smallest unit of an element that still has the properties of that element?
What is the smallest unit of an element that still has the properties of that element?
What is the term used to describe the amount of mass something has in relation to its volume?
What is the term used to describe the amount of mass something has in relation to its volume?
What is the term for the number of protons in an atom?
What is the term for the number of protons in an atom?
A substance made up of only one kind of atom is called a...
A substance made up of only one kind of atom is called a...
Which term describes the temperature at which a substance changes from a solid to a liquid?
Which term describes the temperature at which a substance changes from a solid to a liquid?
