Cup Systems
This term includes all parts that work together inside a cup, including water and air.
Answer: What is a cup system?
Particles are tightly packed and vibrate in place.
Answer: What is a solid?
Heat always moves in this direction.
Answer: What is from warmer to cooler?
When a liquid turns into a gas.
Answer: What is evaporation?
This happens when light is taken in by a surface and becomes heat.
Answer: What is absorption?
A system where matter can enter or leave, like an open cup.
Answer: What is an open system?
Particles have a lot of space and move freely.
Answer: What is a gas?
When a hot object touches a cold object, this happens.
Answer: What is the cold object warms up and the hot object cools down?
When a gas turns into a liquid.
Answer: What is condensation?
This happens when light bounces off a surface.
Answer: What is reflection?
A system where matter cannot enter or leave, keeping mass constant.
Answer: What is a closed system?
This is what happens to liquid particles when heated.
Answer: What is they move faster and spread apart?
A lid helps keep a drink warm by slowing down the loss of these two things.
Answer: What are heat and matter?
Water decreases in an open cup because of this.
Answer: What is evaporation?
Light passes straight through a clear material in this process.
Answer: What is transmission?
Features like lids, straws, and double walls help do this.
Answer: What is maintain the temperature of liquids inside the system?
State where particles are close together but slide past each other.
Answer: What is a liquid?
This happens to particles as energy increases.
Answer: What is they move faster?
Water droplets on a cold soda can come from this.
Answer: What is the air outside the cup?
When sunlight shines on a cup, the liquid can heat up because light turns into this.
Answer: What is heat?
During an investigation, changing only this ensures results are reliable.
Answer: What is one variable at a time?
True statement about gas particles.
Answer: What is they have a lot of space between them?
The reason water droplets form on the outside of a cold cup.
Answer: What is warm air touches a cold surface (condensation)?
Foggy car windows happen because this touches the cold glass.
Answer: What is warm, humid air?
Light enters a clear plastic cup and warms water. This explains why the water gets warmer.
Answer: What is transmitted light is absorbed by water and converted to heat?