Name: ____________________________ SCIENCE: UNIT 1 STUDY GUIDE THREE BRANCHES OF SCIENCE science - the study of the natural world. life science - the study of ________________ systems and the way they interact Earth science - the study of ________________ systems on Earth and in space physical science - the study of ____________ and ____________ and the changes they undergo. - physical science includes both ______________ and ______________. - chemistry: atoms are the building blocks of matter. - physics: energy can change forms. =============================================================== THE TECHNOLOGY DESIGN PROCESS The technology process starts with _______________________ a need , and ends with communicating a ________________________. When designing, building, and using technology, scientists and engineers must consider the ____________________ and _______________________. =============================================================== THE SCIENTIFIC METHOD First you STATE THE PROBLEM. Second, you GATHER INFORMATION. Third, you WRITE A HYPOTHESIS. Next, you MUST TEST THE HYPOTHESIS by performing an experiment. Fifth, you RECORD AND ANALYZE DATA. Finally, you FORMULATE A CONCLUSION. =============================================================== PROPERTIES OF MATTER chemical properties – a ____________ of how matter reacts with other stuff, includes flammability, _____________, and toxicity physical properties – can usually easily be observed by your ___________, includes ___________ , ______________, and density, and many other traits. CHANGES OF MATTER chemical changes - reactions form ___________ substances that look __________________. physical changes - the item does not form anything new; its appearance is _______________. UNIT 1 VOCABULARY Science and physical science matter - anything that has ________________ and takes up _______________ energy - the ability to do _________________. system - a collection of _______________ that work together. kinetic energy - deals with both heat and __________________. Science and Technology technology - the application of __________________ in our everyday _____________. brainstorming - an activity used to help generate ______________. constraint - any factor that _______________ or restricts a design. troubleshoot - analyzing a __________________ and finding a way to fix it. Science and observations property - a ___________________________ of matter. qualitative observations – describes an ___________________ (condition / __________) quantitative observations – describes an _________________ (a number / __________) infer – to draw a conclusion based on what is _____________________________. Science terminology These are helpful in describing scientific terms: ____________________ This attempts to explain a pattern observed repeatedly: _____________________ This describes a pattern in nature: ________________ .