NGSS
Control
The standard used for comparison of test results in an experiment. Control. In a simple Grade 8 explanation A control is the part of an experiment that stays the same to see how other parts change.
Data
Information gathered through observation. Data. Data is the facts or details collected during experiments or research.
Experiment
Testing a hypothesis by collecting data in controlled conditions. Experiment. An experiment is a test where you try to see what happens when you change something, helping you learn about science hands-on.
Hypothesis
A possible explanation or answer to a scientific question. Hypothesis. A hypothesis is an educated guess that scientists test to see if it explains how or why something happens.
Model
A representation of an object or system. Model. In Grade 8 science, a model is like a simplified version of something complex, used to help us understand how it works.
Technology
The use of scientific observations to solve practical problems. Technology. Technology is using science to make things that help us in our daily lives.
Theory
Explanation of observations supported by evidence. Theory. A theory is a well-tested idea that scientists use to explain why things happen the way they do in the natural world.
Variable
The factor that can change in an experiment is a variable. In simple terms, a variable is something you can change or measure in a science experiment to see how it affects the outcome.
