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Welcome back Minions. Warm up on the board…. Scientific Method – Controls & Variables. Last night you had to do a worksheet for homework. We shall go over the answers…. Homework…. Control – A group within an experiment that is not changed or experimented on. Variable –
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Welcome back Minions Warm up on the board…
Scientific Method – Controls & Variables Last night you had to do a worksheet for homework. We shall go over the answers…
Homework… • Control – • A group within an experiment that is not changed or experimented on. • Variable – • The factor that can change in an experiment. • Independent Variable – (aka: manipulated variable) • The factor a scientist changes during an experiment • Dependent Variable – (aka: responding variable) • A factor that changes in an experiment as a result of the independent variable
Scenario 1 (KrustyKrab’s Breath Mints) • 1) 50 customers in Group B • 2) Breath Mint • 3) Customer’s Breath • 4) His breath mint works a majority of the time. • 5) What do you think?
Scenario 2 (SpongeBob Clean Pants) • 6) Will the Clean-O detergent clean his pants. • 7) Detergent • 8) Cleanliness of his pants • 9) Detergent does not work as well as plain water
Scenario 3 (Squidward’s Symphony) • 10) Instruments played • 11) Jellyfish attracted • 12) What do you think? • 13) What do you think?
Scenario 4 (Super Bubbles) • 14) It produces bubbles twice as big as bubbles from regular bubble soap. • 15) Bubble soap • 16) Size of the bubbles • 17a) • Super bubbles: 151 / 10 = 15.1 • Regular bubbles: 115 / 10 = 11.5 • 17b) What do you think? • 18) What do you think?
Homework • Handout sheet for lab safety • Take home, read it thoroughly, secure it in your science notebook. • Draw me a picture tonight of one of the rules • Use a page in your science notebook. • Color please. • Study your vocabulary • Quiz tomorrow!!!