States of Matter
Describe the shape and volume of a solid using the words: definite or indefinite.
Shape: definite
Volume: definite
What is the opposite of melting?
Freezing
In Boyle's law, if pressure is increased at a constant temperature, what happens to the volume?
Volume decreases
Name a primary color.
Red, yellow, or blue.
When a puddle dries up. What is the process called?
Evaporation
What is the formula for pressure?
Pressure = Force/ Area
Look at the picture then answer the following question: How long does it take for a substance to completely change from a liquid (20oC) to a gas (100oC)?
14 minutes.
In Charles's law, Temperature and Volume are (directly/inversely) proportional to each other.
Directly
Two body parts that keep growing throughout our lives (not hair or nails)
Ears and nose
Two of these states are considered to be a fluid. What are they?
liquids and gases
If the particles are packed closely together but can slide around one another. That's an example of: solid, liquid or gas?
Liquid
What is the process called when the mirror fogs up after a hot shower?
Condensation
How does heating a gas in a rigid container change its pressure? (increases or decreases)
Pressure increases.
What planet is made up mostly of water?
Earth
What is the melting point of water?
_______ : an inward force, or pull, among the molecules in a liquid that bring the molecules closer together.
Surface Tension
How is evaporation different from boiling?
Evaporation: happens only on the liquid's surface.
Boiling: happens both on and below the surface.
Ms Mouna will draw a graph. Which is the manipulated variable in the graph? Volume or pressure?
Volume
0oC equals how many in Fahrenheit?
32oF = 0oC
Earth's atmosphere exerts a force of 5000 N on a kitchen table with an area of 2.0 m2. What is the pressure on the area?
2500 Pa
This type of solid has particles that are not arranged in a regular pattern and do NOT melt at a distinct temperature.
Amorphous Solids
The change in state from gas to solid is called _______?
Deposition
Ms Mouna will draw a table. Predict what a graph of the data in the table would look like. Volume is plotted on the x-axis. Pressure is plotted on the y-axis.
Graph would be a curve that goes downward from left to right. Pressure volume are inversely proportional.
The human body contains this many bones.
206
Gay-Lussac's law is the relationship between which two variable?
Temperature and pressure