Kindergarten Scientists: Exploring Absorption with a Rainbow
Created byKristin Walrath
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Kindergarten Scientists: Exploring Absorption with a Rainbow

KindergartenScience1 days
In this engaging kindergarten project, students explore the concept of absorption and how colors move through liquids using the 'walking rainbow' experiment. Through a series of hands-on activities, students investigate how different materials absorb liquids and observe color mixing phenomena. The project emphasizes scientific inquiry, collaborative learning, and creative application, allowing young learners to make predictions, conduct experiments, and share findings. The experience is designed to develop early scientific skills and a basic understanding of material properties and color theory.
AbsorptionColor MixingScientific InquiryCollaborationKindergarten ScienceMaterial PropertiesExperimentation
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Inquiry Framework

Question Framework

Driving Question

The overarching question that guides the entire project.How can we, as young scientists, explore and explain the concept of absorption and understand how colors move through liquids using the walking rainbow experiment?

Essential Questions

Supporting questions that break down major concepts.
  • What is absorption and why is it important?
  • How do different materials absorb liquids?
  • What can the walking rainbow experiment teach us about colors and liquid movement?

Standards & Learning Goals

Learning Goals

By the end of this project, students will be able to:
  • Students will understand the concept of absorption and its significance in everyday life.
  • Students will be able to conduct a simple experiment to observe how liquids move through different materials.
  • Students will identify colors and understand how they mix or change as they move through a medium.
  • Students will develop basic investigative skills by asking questions and making observations about the walking rainbow experiment.
  • Students will collaborate to share and discuss their findings about how colors and liquids interact.

Next Generation Science Standards (NGSS)

K-PS1-1
Primary
Plan and conduct an investigation to describe and classify different kinds of materials by their observable properties.Reason: The project involves students engaging in an investigation of materials' properties, like absorption, using the walking rainbow experiment.
K-PS1-2
Primary
Analyze data obtained from testing different materials to determine which materials have the properties that are best suited for an intended purpose.Reason: Students analyze how different materials absorb liquids, directly aligning with determining suitable properties for purposes like liquid movement.

Entry Events

Events that will be used to introduce the project to students

Magic Show and Tell

Begin with a magical demonstration where colored water 'walks' from cup to cup. Ask students how this magic happens and invite them to explore and mimic the magic with different materials, paving the way for understanding absorption and color theory.
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Portfolio Activities

Portfolio Activities

These activities progressively build towards your learning goals, with each submission contributing to the student's final portfolio.
Activity 1

Rainbow Observation Station

Students will set up a simple 'walking rainbow' experiment using cups, colored water, and absorbent materials such as paper towels. They will make initial predictions about the outcome and observe the color movement over time, fostering curiosity and introducing the concept of absorption.

Steps

Here is some basic scaffolding to help students complete the activity.
1. Collect materials needed: clear cups, food coloring, water, and paper towels.
2. Fill each cup halfway with water and add different food coloring to each cup, creating a rainbow sequence.
3. Place cups in a line, alternating between cups with water and empty cups in between.
4. Insert folded paper towels to connect each cup of colored water to the empty cup next to it.
5. Ask students to observe what is happening and make predictions about what they expect to see over the next hour.

Final Product

What students will submit as the final product of the activityAn observation journal where students record their predictions and ongoing observations of the color migration.

Alignment

How this activity aligns with the learning objectives & standardsAligns with K-PS1-1, encouraging students to plan and conduct investigations about material properties (absorption) through observations.
Activity 2

Material Absorption Explorers

Building on their observations from the first activity, students explore how different materials absorb water. They test various materials to determine which absorbs liquid best and relate this to their initial walking rainbow discoveries.

Steps

Here is some basic scaffolding to help students complete the activity.
1. Gather a variety of materials such as cotton, paper towels, sponges, and fabric strips.
2. With teacher guidance, students dip each material into a cup of colored water.
3. Instruct students to observe and record which materials absorb the liquid quickly and which do not.
4. Discuss observations with the group, relating it back to the walking rainbow experiment and absorption.

Final Product

What students will submit as the final product of the activityA chart or poster displaying the tested materials and their absorption capabilities, explained through student observations.

Alignment

How this activity aligns with the learning objectives & standardsAligns with K-PS1-2, focusing on analyzing material data to determine best-suited properties for liquid movement, thus promoting critical thinking.
Activity 3

Color Theory and Mixing Magic

In this creative exploration, students investigate how colors change and mix as they move through a medium. They apply this knowledge to predict how colors will mix in the walking rainbow.

Steps

Here is some basic scaffolding to help students complete the activity.
1. Review original walking rainbow setup and discuss any observed color changes.
2. Provide color mixing cards or charts for students to explore what new colors are made by mixing two primary colors.
3. Have students predict how their rainbow colors will mix as they continue to observe their experiments.
4. Conduct a discussion on the importance of color mixing in art and nature.

Final Product

What students will submit as the final product of the activityA mixed color palette created by the students, along with predictions and outcomes on how colors changed in the rainbow project.

Alignment

How this activity aligns with the learning objectives & standardsSupports K-PS1-1 by describing material properties, specifically color changes through liquid movement, linking science and art appreciation.
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Rubric & Reflection

Portfolio Rubric

Grading criteria for assessing the overall project portfolio

Walking Rainbow and Absorption Exploration Rubric

Category 1

Scientific Inquiry and Experimentation

Assessment of students' ability to engage in scientific processes and conduct experiments.
Criterion 1

Understanding of Absorption

Measures students' understanding of the absorption process as observed during the walking rainbow experiment.

Exemplary
4 Points

Demonstrates a sophisticated understanding of absorption by accurately predicting and explaining color movements.

Proficient
3 Points

Demonstrates thorough understanding of absorption by predicting color movements accurately and with some explanation.

Developing
2 Points

Shows emerging understanding of absorption with inconsistent predictions and explanations.

Beginning
1 Points

Shows initial understanding of absorption with minimal explanation or incorrect predictions.

Criterion 2

Conducting the Experiment

Evaluates student participation and accuracy in following experiment steps.

Exemplary
4 Points

Follows all steps accurately and engages enthusiastically, showing leadership in the activity.

Proficient
3 Points

Follows most steps accurately and participates actively.

Developing
2 Points

Needs support to follow steps accurately but participates in activities.

Beginning
1 Points

Has difficulty following steps without support and shows minimal engagement.

Category 2

Observations and Data Recording

Assessment of students' ability to observe and record findings effectively.
Criterion 1

Observation Skills

Measures the ability to make and record accurate observations during experiments.

Exemplary
4 Points

Makes detailed and accurate observations, recording findings clearly and comprehensively.

Proficient
3 Points

Makes accurate observations and records findings clearly.

Developing
2 Points

Makes basic observations with partial recording of findings.

Beginning
1 Points

Records minimal observations with inaccurate or incomplete data.

Criterion 2

Reflecting on Results

Evaluates ability to interpret experiment results and relate findings to initial predictions.

Exemplary
4 Points

Interprets results accurately, explaining them in relation to predictions and providing insightful conclusions.

Proficient
3 Points

Interprets results accurately and relates them to initial predictions.

Developing
2 Points

Offers basic interpretation of results with minimal connection to predictions.

Beginning
1 Points

Struggles to interpret results or connect them to initial predictions.

Category 3

Collaboration and Communication

Examines students' participation in group discussions and sharing of ideas.
Criterion 1

Participation and Sharing

Measures the student's involvement in discussions and collaborative sharing with peers.

Exemplary
4 Points

Actively participates in discussions, encouraging others and sharing insights willingly.

Proficient
3 Points

Participates willingly in discussions and shares insights.

Developing
2 Points

Participates in discussions with guidance but shares limited insights.

Beginning
1 Points

Rarely participates in discussions and needs continuous encouragement to share ideas.

Category 4

Creativity and Application

Assesses students' use of creativity in applying scientific concepts and art in their observations.
Criterion 1

Creative Application of Concepts

Evaluates the student's ability to creatively apply their learning in art and observation tasks.

Exemplary
4 Points

Applies scientific and artistic concepts creatively and effectively in all tasks.

Proficient
3 Points

Applies scientific and artistic concepts effectively in tasks.

Developing
2 Points

Applies basic scientific or artistic concepts in tasks with guidance.

Beginning
1 Points

Struggles to apply scientific or artistic concepts without significant support.

Reflection Prompts

End-of-project reflection questions to get students to think about their learning
Question 1

Reflect on what you learned about absorption during the Walking Rainbow experiment.

Text
Required
Question 2

How confident do you feel about explaining the concept of absorption to someone else?

Scale
Required
Question 3

Which material absorbed water the best?

Multiple choice
Required
Options
Cotton
Paper Towels
Sponge
Fabric Strips
Question 4

What surprised you the most during the experiments?

Text
Optional
Question 5

Reflect on your group discussions and collaborations. How did working with others help you understand the concepts better?

Text
Required