Anything that has mass and takes up space
What is matter
When something becomes different over time
What is change
Water that is underground
What is groundwater
A set of interacting parts forming a complex whole
What is a system
A number that summarizes a set of data by adding and dividing
What is average
Unicellular tiny organisms
What is bacteria
The moment when two objects hit each other
What is collision
A measure of how hot or cold something is
What is temperature
When something stays mostly the same over time
What is stability
To reach a conclusion using evidence and reasoning
What is infer
A group of atoms joined together in a particular way
What are molecules
To make something safe to eat or drink by heating it
What is pasteurize
A unit that stores and warms water
What is a water heater
What is stability
This small part of something is used to represent the whole thing
What is a sample
The energy an object has because it is moving
What is kinetic energy
To move from object or place to another
What is transfer
A balanced state in which a system is stable, such as when two samples have the same temperature
What is equilibrium
When different parts work together to function as one whole
What is a system
Thinking step where you use clues to figure something out
What is infer
The total kinetic energy of all the molecules in a sample
What is thermal energy
The ability to make things move or change
What is energy
A masll part meant to show what the whole is like
What is a sample
When two or more samples reach the same temperature and stop changing
What is equilibrium
A measurement that helps compare conditions such as hot and cold
What is temperature