What Is Science 3-5-ETS1-1

NGSS

An experiment in which only one variable is changed

Controlled experiment

An experiment in which only one variable is changed. Controlled experiment. A controlled experiment is when you change only one thing to see what happens while keeping everything else the same.

Information gathered through observation

Data

Information gathered through observation. Data. Data is like clues you collect to learn more about the world.

The factor measured at the end of an experiment

Dependent variable

The factor measured at the end of an experiment is called the dependent variable. In a Grade 5 science experiment, the dependent variable is what you measure to see how it changes because of what you did.

Testing a hypothesis by collecting data in controlled conditions

Experiment

Testing a hypothesis by collecting data in controlled conditions. Experiment. An experiment is a test you do to see if your ideas or guesses about how something works are correct.

A possible explanation or answer to a scientific question

Hypothesis

A possible explanation or answer to a scientific question hypothesis. A hypothesis is a guess about what might happen or be true that you can test with an experiment.

The variable which is manipulated by the researcher

Independent variable

The variable which is manipulated by the researcher independent variable. In Grade 5 science, an independent variable is what you change in an experiment to see how it affects other things.

A representation of an object or system

Model

A representation of an object or system. Model. A model is a simple way to describe or show how something works.

The factor that can change in an experiment

Variable

The factor that can change in an experiment is called a variable. In a simple experiment, a variable is something that you can change to see how it affects the results.