Podcast
Questions and Answers
What determines an object's mass?
What determines an object's mass?
- Force needed to accelerate the object (correct)
- Density of the object
- Volume of the object
- Weight of the object
Why do clouds appear to behave somewhat like gases?
Why do clouds appear to behave somewhat like gases?
- Because they are composed of liquid water droplets
- Because they are composed of tiny particles (correct)
- Because they have a fixed shape
- Because they are composed of air only
How does the mass of an astronaut change when she goes to the moon?
How does the mass of an astronaut change when she goes to the moon?
- Mass decreases
- Mass varies based on external temperature
- Mass increases
- Mass remains the same (correct)
Why does weight change on the moon for an astronaut compared to Earth?
Why does weight change on the moon for an astronaut compared to Earth?
Which statement best describes the law of conservation of matter?
Which statement best describes the law of conservation of matter?
What is the defining characteristic of a solid?
What is the defining characteristic of a solid?
If a gas did not take up space, what behavior would we expect to see?
If a gas did not take up space, what behavior would we expect to see?
What state of matter flows and takes the shape of its container?
What state of matter flows and takes the shape of its container?
In what environments can plasmas be found, besides stars?
In what environments can plasmas be found, besides stars?
What distinguishes plasma as a state of matter from gases?
What distinguishes plasma as a state of matter from gases?