5th grade unit 1 lesson 3 Flashcards
What makes a good scientific question?
one that can be answered bh an investagation
A scientific investigation always begins with?
question
What are scientific methods?
are ways scientists perform investagations
All scientific methods use ?
1logic
2reasoning
The method a scientist uses depends on the question. What are 3 methods
1experiements
2reapeated observations
3using models
WHat are experiments?
scientists control all of the conditionsbof the investagation
How do you use models when investigating a question?
they use models when they cannot experiment on the real thing
How do you use repeated observations when investigating a question
scientists use reapated observation to study procces in nature which cannot be controlled be contolrd
How do scientists draw conclusions after they have used a scientific method?
they will have results they can draw conclusions with
p26-27 explain more about when observation is used as a scientific method
when things are just to hard to reach or contorl old faithful whales
p28-29 why do scientists use models?
when scientists cannot experiement with the real thing, they use models
what are the different ways models are made?
1phsical model
2program computer simulation models
3diagrams&flow charts
An experiment is a procedure used to test?
hypothesis
should you make some observations before testing your hypothesis?
yes
what is a hypothesis?
statement that can be tested and will explain what can happen in an investagation
