The Scientific Method

Students in both classes are learning how to use the scientific method to perform an experiment.  For this lesson, students focused on the hydrogen bond of water and how it related to the cohesion and surface tension of water.  Students were given materials (an eyedropper, coins, cup, and water) and challenged to design an experiment.  They had to list the hypothesis, materials, steps, results, and conclusion.

Every student did a great job rising to the challenge!

Save Wilmer the Worm!

For a quick STEM activity, students were asked to save a worm whose boat (cup) had capsized, trapping the worm on top of the overturned boat and his life vest (life saver candy) under the boat.  The students worked in teams to devise a plan to retrieve the life vest and place it on the worm without the worm falling off the cup.  The other constraint was that students could only use one hand, and must do all of this with one toothpick per team member.  There was no poking Wilbur the Worm, as he would surely perish! 

3D Shapes and Bernoulli’s Principle

In math class we used windbags to create three dimensional shapes.  However, before we could use the windbags we had to decide on the best way to inflate them.  We estimated it would take between 200 and 300 large breaths of air to fill a big, therefore we needed an easier way.    After a quick demonstration of Bernoulli’s Principle we discovered a fun and quick way to fill our windbags!

Windbag math and science! Windbag math and science! Windbag math and science! Windbag math and science! Windbag math and science! Windbag math and science! Windbag math and science! Windbag math and science! Windbag math and science! Windbag math and science! Windbag math and science! Windbag math and science! Windbag math and science! Windbag math and science! Windbag math and science! Windbag math and science! Windbag math and science! Windbag math and science!

 

Classroom Tadpoles

2T has classroom tadpoles!  They have hatched from their eggs and have been moved to a larger holding tank.  Currently, we are using the opportunity to learn about life-cycles, habitats, and animal classification.  We have determined that we do not have newt or toad tadpoles, but do indeed have frogs!

Tadpoles hatching  Tadpole Adult

 

We will find homes in the local community to release our frogs safely at the end of the year.

100th Day STEM Challenge

For the 100th Day of school, students were challenged to design, build, and create their own structures, art, and inventions using a plethora of varying materials.  The only caveat was that they were limited to 100 pieces of each type of material.  I am consistently impressed with the students’ creativity and ingenuity in tackling obstacles and challenges.  Here are some of the pictures from our day!

Students completing 100th Day STEM Challenge Students completing 100th Day STEM Challenge Students completing 100th Day STEM Challenge Students completing 100th Day STEM Challenge Students completing 100th Day STEM Challenge Students completing 100th Day STEM ChallengeStudents completing 100th Day STEM Challenge Students completing 100th Day STEM Challenge Students completing 100th Day STEM Challenge Students completing 100th Day STEM Challenge Students completing 100th Day STEM ChallengeStudents completing 100th Day STEM Challenge

Science: States of Matter

We finished up our states of matter science unit by performing a series of experiments.

Gas – Elephant toothpaste and the chemical change to a gas

Elephant toothpaste with yellow food dye Elephant toothpaste in lab beaker Students performing experiment Students performing experiment

Solid – Oobleck and changing from a liquid to a solid

Students experimenting with Oobleck and it's properties. Students experimenting with Oobleck and it's properties. Students experimenting with Oobleck and it's properties.  Students experimenting with Oobleck and it's properties.  Students experimenting with Oobleck and it's properties.

 

Liquid- Density through layering different liquidsLiquid layers density experiment.Liquid layers density experiment.

Wonderwhirlers

Today we explored Wonderwhirlers!  We tested how design, mass, and force effect an object.  It also helped us learn about how to harness wind energy.

 

How to make a paper Helicopter Design Template

Constructing paper helicopters.Girl throwing paper helicopter.

What to expect . . .

Students will have a journal in their Rainbow Homework Folders starting today!   (11/29) Students will be tasked with writing a quick sentence or paragraph about something they read, or respond to a specific prompt from class.  The goal is to make the task of writing less daunting, and to motivate students to put more of themselves into their work. Encourage your student to read their writing to you each night!

 

SCIENCE

We are diving back in to science in second grade.  Our focus for the next unit is:

  • How does sunlight provide a source of energy?
  • How can different forms of energy cause changes?
  • What is temperature and what happens when it is changed?