Molecules in Motion
Temperature vs. Thermal Energy
States of Matter
100
The tiny, invisible particles that make up all matter.
What are molecules?
100
This is the tool we use to measure temperature.
What is a thermometer? 🌡️
100
This is the state of matter where molecules are locked tightly together and only vibrate.
What is a solid?
200
This is the energy of motion.
What is kinetic energy?
200
This is the measure of the average kinetic energy of the molecules in a substance.
What is temperature?
200
This is the state of matter where molecules can slide past one another, taking the shape of their container.
What is a liquid?
300
In hot water, molecules have a HIGH amount of this, causing them to move very fast.
What is kinetic energy?
300
This is the total kinetic energy of all the particles in a substance.
What is thermal energy?
300
When you see steam rising from a hot kettle, the water has turned into this state of matter.
What is a gas?
400
A molecule in a block of ice and a molecule in a cup of water are both moving. Which one has less kinetic energy?
What is the molecule in the block of ice?
400
If you add more thermal energy to a cup of water, its temperature will do this.
What is increase (or go up)?
400
To change a solid like an ice cube into a liquid, you need to add this.
What is thermal energy (or heat)?
500
The tea spreading quickly in hot water is evidence that molecules are doing this.
What is moving fast (or have high kinetic energy)?
500
A swimming pool and a small puddle can be the same temperature, but the swimming pool has much more of this.
What is thermal energy?
500
Of the three main states of matter, the molecules in this state have the most kinetic energy.
What is a gas?