States of Matter
What are the 3 physical states of most matter?
Solid, liquid, and gas.
What is the unit used to measure length in the metric system?
Meter
anything that has mass and takes up space
Matter
How do you measure mass?
What is volume?
How much space the matter takes up.
a liquid
What metric unit is used to measure liquid?
What is the main thing a scientist does?
Make observations
How do you measure weight?
a spring scale
How to measure the volume of gas?
Measure the volume of the container the gas is in.
In what state of matter are the molecules moving the fastest?
What metric unit is used to measure mass?
Gram
What is the overall job of a scientist?
Systematically study the physical world.
What is the law of conservation of mass?
Matter cannot be created nor destroyed.
Does air have volume?
Yes, even though you can't see it ... it expands to fill up available space.
What is viscosity?
a measure of how strongly the liquid's molecules are attracted to each other
What are at least two different units used to measure length in the Old English / American measuring system?
Either: inch, foot, yard, mile, rod, hand, span...
What are 2 types of observations scientists make?
Quantitative and qualitative
What is the difference between mass and weight?
Mass is the amount of material there is an object and weight is how much gravity pulls down on an object
What is the definition of density?
The MASS of an object divided by its VOLUME.
What are 2 different ways to increase the volume of a gas?
Decrease the pressure
Increase the temperature
What is the unit that is 1000 meters?
1 kilometer
What are some scientific tools to measure quantitative observations?
meter stick, balance, graduated cylinder, thermometer ....
What are the two laws together called about Conservation of Mass and Energy?
First law of thermodynamics
Meniscus