What type of system is this and why?
What type of system is this and why?
What type of system is this and why?
Drag the characteristics or details to the correct state of matter.
has a volume that can change
has a definite volume but no defined shape
particles vibrate in a fixed position
particles collide and move everywhere
are somewhat close together but can move freely
has a defined shape and volume
Solid
Liquid
Gas
Which change of state happens when a solid gains energy and changes into a liquid?
Which change of state happens when a gas loses energy and changes into a liquid?
Which change of state happens when a liquid loses energy and changes into a solid?
Which change of state happens when a liquid gains energy and changes into a gas?
What happens to the particles of a substance when the substance freezes?
Before doctors draw your blood for a blood test, they wipe alcohol on your skin. The alcohol quickly disappears. What happened and why?
When a substance freezes, its particles stop moving.
If the temperature of water increases that means
Which of the following happen because of an increase in thermal energy/temperature? (Select all that apply)
Which of the following happen because of a decrease in thermal energy/temperature? (Select all that apply)
When a person get an injury, sometimes they put a cold ice pack on the body part to reduce the swelling. According to what you learned about energy transfer, which way does the thermal energy move?
Pick one state of matter (solid, liquid, or gas) and draw a model of its particles.
Match the sytem to the characteristics.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
Only energy can enter and leave the system, matter cannot. | arrow_right_alt | Open System |
Neither matter nor energy can enter or leave the system. | arrow_right_alt | Closed System |
Matter and energy can enter and leave the system. | arrow_right_alt | Isolated System |
If a substance cools down, its molecules
If a substance heats up, its molecules
When energy transfer from substance to substance or object to object, energy moves
Sublimation is when
Place the states of matter from least amount of kinetic energy to the most.
Liquid
Gas
Solid
In an open system... (select all that apply)
In an isolated system... (select all that apply)
In a closed system... (select all that apply)
If a hot penny is dropped into cold water, which statement is true?