Podcast
Questions and Answers
Which statement is true about the thermal energy of the water in the teacup and bathtub?
Which statement is true about the thermal energy of the water in the teacup and bathtub?
- The water in the bathtub has less thermal energy than the water in the teacup
- The thermal energy is not related to the container size
- The water in the bathtub has more thermal energy than the water in the teacup
- The water in the teacup has the same thermal energy as the water in the bathtub (correct)
Which state of matter has no definite shape and no definite volume?
Which state of matter has no definite shape and no definite volume?
- Gas (correct)
- Plasma
- Liquid
- Solid
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?
- There is no difference
- It has one less proton
- It has one more proton (correct)
- It has one more neutron
Decreasing the energy of water molecules will cause water to:
Decreasing the energy of water molecules will cause water to:
How are protons and neutrons alike?
How are protons and neutrons alike?
Which state of matter has a definite volume but no definite shape?
Which state of matter has a definite volume but no definite shape?
What is the subatomic particle that orbits an atom's nucleus and has a negative charge?
What is the subatomic particle that orbits an atom's nucleus and has a negative charge?
Which term refers to the number of protons in an atom?
Which term refers to the number of protons in an atom?
What is the center of an atom, usually made of protons and neutrons?
What is the center of an atom, usually made of protons and neutrons?
Which state of matter has a definite shape and definite volume?
Which state of matter has a definite shape and definite volume?
What is the term for a substance made up of atoms of two or more elements?
What is the term for a substance made up of atoms of two or more elements?
If a board with a mass of 750 grams is ground down to sawdust, what would be the mass of the pile of sawdust?
If a board with a mass of 750 grams is ground down to sawdust, what would be the mass of the pile of sawdust?