Bellwork Pass out Slates & Notebooks

during BW! • Please read the handout on Sow Bugs. DO NOT WRITE ON IT.

1. Please write 5-10 bullet point notes summarizing what you learned about sow bugs

Announcements• Science Café on Fri.

after block day!– We read an article

together while enjoying some snacks

– Can you bring a snack for your group?

– Quiz Answers

Day 3. HYPOTHESIS

• Prior knowledge, research, & observations are all used to form a hypothesis

• We will use an If…Then….as measured by…….statement

Hypothesis- antacid example

• If the crumbled and solid tablets are placed in water at the same time, then the crumbled antacid will dissolve the most quickly as measured by the length of time bubbling occurs.

Hypothesis Practice

1. What condition is being tested? (IV) 2. What results are expected? (your prediction)3. With what tool and units will these results be measured? (DV)

Tractable Question: Which form of antacid willdissolve faster?

Good HypothesisChecklist

Hypothesis- underline your example

• If the crumbled and solid tablets are placed in water at the same time

• If the crumbled and solid tablets are placed in water at the same time, then the crumbled antacid will dissolve the most quickly

• If the crumbled and solid tablets are placed in water at the same time, then the crumbled antacid will dissolve the most quickly as measured by the length of time bubbling occurs.

On your slate• Write your own hypothesis about which

department (science or math) would win in a dodge ball game. Then circle the three parts

Try it: Look at the problem question your group had

approved• Make a hypothesis using the if…then…as

measured by format. Write it on your notetaker.

Day 4- Experiment

• Test your Hypothesis by isolating one variable and holding the rest constant

• Identify your Dependent and Independent Variables.

• List your procedures.

Variables

• Independent- The one the scientist manipulates (What is different in each set up)

• Dependent- The one the scientist measures in response to the change

Remember this problem:• Which antacid form will dissolve the fastest?

Versus

Broken Solid

Antacid experiment

• Which variable is different in each set up? (independent)

• Which variable will I measure at the end or throughout the experiment? (Dependent)

• What is the same in each set up? (Constants)

On your slateIdentify the Independent variable, dependent

variable and 2 constants in the following experiment:

• To find the best fertilizer Emma takes two 5 month old tomato plants and keeps them in the same size pots outside on her porch. She gives them 5 grams of fertilizer each week. One plant gets Miracle Grow and one gets Mighty Plant. At the end of three months she measures the height of each plant.

Homework

• Write DETAILED procedures for your pill bug experiment. 10+ steps at least.

• Bring tomorrow

• If you have 3 HW zeros- phone call home