1. Scientific Method Unit 4 Lesson 1

2. Word Structure left shed pen well might bark kind root

3. These words are all homonyms. They sound and spell the same but each word has more than one meaning. leftshedpenwell mightbarkkindroot

4. scientific heroic “ic” means “having to do with”

5. suddenly completely Adding “ly” changes the word from an adjective to an adverb

6. scientist biologist farmer teacher “ist” means “one who practices” Adding “er” changes the root word from a verb to a noun

7. anxious Are you anxious to become a scientist? A chicken farmer who suddenly discovers how to make his hens lay more eggs might not be anxious to share his secret. Adjective: eager

8. observations One of the first things you can do is to make good observations. A hypothesis is a guess that is based on observations. Noun, plural of observation: an act of noticing something

9. examine Examine the people around you. Let’s examine an experiment. Verb - to look closely

10. crabbier Trying to get a moody baby to cooperate will make him even crabbier. Perhaps they also seem fatter, or thinner, or crabbier. adjective - Form of crabby: cross, in a bad mood

11. react You can mix harmless chemicals to see how they react to each other. If exercise makes a difference, both groups should react in the same way. Verb – to act because something has happened

12. results You can observe and record your results – just like a real scientist. Examine your results. Noun, plural of result: what you find out when you do an experiment

13. Hypothesis (hy-poth-e-sis) Your hypothesis is, “Giving my hens extra water causes them to lay more eggs.” A hypothesis is a guess that will be tested in an experiment. It is not a random guess. It is based on an observation.