Science 1 vocabulary 🧪

description

a spoken or written summary of observations

explanation

an interpretation of observations

International System of Units

internationally accepted system for measurement

Accuracy

A description of how close a measurement is to the true value of the quantity measured.

Precision

a measure of how close a series of measurements are to one another

significant digits

the number of digits in a measurement that are known with a certain degree of reliability

Science

the investigation and exploration of natural events and of the new information that results from those investigations

Observation

using one or more of your senses to gather information and take note of what occurs

Inference

a logical explanation of an observation that is drawn from prior knowledge or experiences

Hypothesis

a possible explanation for an observation that can be tested by scientific investigations

prediction

A statement of what will happen next in a sequence of events.

Science theory

a possible explanation for repeatedly observed patterns in nature supported by observations and results from many investigations

scientific law

describes a pattern or an event in nature that is always true

critical thing

Compared what you already know with the information you are given in order to decide whether you agree with it

Variable

A factor that can change in an experiment

dependent variable

factor being measured in a controlled experiment; its value changes because of changes to the independent variable

independent variable

factor in a controlled experiment that is deliberately changed; also called manipulated variable

Constants

the factors in an experiment that remain the same

Organism

things that have all the characteristics of life's

Cell

smallest unit of life

Unicellular

living things that are made of only one cell

Multicellular

living things that are made of two or more cells

Homeostasis

the ability to maintain a stable internal environment