Grade 4 - NGSS - CA
Data
Information gathered through observation. Data. Data is facts we collect to help us learn about the world.
Experiment
Testing a hypothesis by collecting data in controlled conditions. Experiment. An experiment is a test where you try things out to see what happens and learn about science.
Hypothesis
A possible explanation or answer to a scientific question. Hypothesis. A hypothesis is like a smart guess you make before doing an experiment to see if it's true.
Model
A representation of an object or system. Model. A model is a simple way to show or describe how something works or looks.
Technology
The use of scientific observations to solve practical problems. Technology. Technology is when we use science to make things that help us in our everyday lives.
Theory
Explanation of observations supported by evidence theory. A theory is a well-tested idea that helps us understand how things work in the world.
Variable
The factor that can change in an experiment. Variable. A variable is something you can change in an experiment to see what happens.
