# Density Lab Stations Activity

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Product Description
SNAPs Lab Stations Activities require students to use science, math, literacy, problem-solving and engineering skills. They are designed to enhance students' understanding of scientific concepts and help students apply scientific ideas to the real world. Each station activity promotes skills so to develop students into proficient and competent scientific thinkers.

SNAPs lab activities have five components:
Science Skills Station to develop science skill proficiency
Narrative Station to build science literacy
Assessment Station to evaluate learning and understanding
Problem-Solving Station to foster engineering design
Synthesis/Summary Project to inspire higher-order learning

A description of the activities at each station in this particular lab is detailed below.

Next Generation Science Standards
This laboratory does not address a specific Next Generation Science Standard, but it complements concepts related to other NGSS. This lab combines the three dimensions of science learning - science and engineering practices, disciplinary core ideas and crosscutting concepts. This laboratory also makes interdisciplinary connections to STEM, Math CCSS and ELA CCSS to build the appropriate skills.

Density Lab Stations Activity Learning Objectives
1. Calculate the density of a regular and irregular shaped object.
2. Predict if an object will float or sink in a substance with a known density.
3. Describe the factors that influence the density of a substance.
4. Compare and contrast the density of ice and liquid water.
5. Model the density of liquids with a seven-layer density column.

Science Skills Station
Students will calculate the density of regular and irregularly shaped objects. They will determine the volume and mass of the objects and use the measurements to calculate density. Then students will determine whether the objects will float or sink in three different substances: rubbing alcohol, water and corn syrup.

Narrative Station
Students will read an informational text about density. Students will also watch a video about the density of water and why solid water (ice) floats in liquid water.

Assessment Station
At this station, students will answer questions about key terms and ideas relating to density. Students will have to employ lower, mid and higher order thinking skills to answer these questions.

Problem-Solving Station
Students will be provided seven substances and their densities. Students will manipulate the substances in such a way to create a seven layer column of liquids. The layers will remain separate and distinct.

Synthesis/Summary Project
Students will have a choice of 11 projects. Suggestions for projects that are best suited for this particular lab are included. It is up to the teacher to control this portion of the lab, and thus, the higher-order skills utilized in this activity. Refer to the SNAPs Lab Stations Best Practices and Setup Guide for directions and suggestions on how to conduct the project.

• A pre-lab assignment and post-lab reflection
• Directions and questions for each lab station
• Student recording sheets
• Teacher Key

3 medium-sized beakers
7 large beakers or containers
1 tall & thin beaker or glass (per group)
7 plastic cups (per group)
Scale, Ruler and 100 mL graduated cylinder
½ cup measuring device
Food baster
Lima bean (dry), birthday candle, penny, small block of styrofoam and eraser
String and tongs
Water
90% isopropyl alcohol (2 32 oz bottles)
Light corn syrup (2 32 oz bottles
Baby oil (32 oz)
Vegetable oil (32 oz)
Honey (32 oz)
Dish soap (32 oz)
Food coloring (optional)
Colored Pencils (optional)

Be sure to check out:
• The FREE SNAPs Lab Stations Best Practices and Setup Guide to learn more about my labs
• All my Earth, Life, Physical or Nature of Science Lab Station Activities
Earth Science, Life Science, Physical Science or Nature of Science PPs, Notes & Exams
Earth Science, Life Science, Physical Science or Nature of Science INB Units
Earth Science, Life Science, Physical Science or Nature of Science Tiered Task Cards

Purchasing Options to Save you \$\$\$:
• Save 35% with the Earth, Life or Physical Science Lab Bundle
• Save 40% with the Integrated Science Lab Bundle
• Save 45% with the Earth, Life or Physical Science Complete Curriculum
• Save 50% with the Integrated Science Complete Curriculum
Total Pages
27 pages
Included
Teaching Duration
1 hour
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