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School Kitchen Dressing: A Particle Model worksheet preview

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School Kitchen Dressing: A Particle Model

Use a school kitchen investigation to model oil and water as matter made of particles too small to see.

Grade 5ScienceInteractive · Printable

Aligned to5-PS1-1

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What’s included

  • Single worksheet
  • Auto-graded online
  • 1 NGSS standard
  • Printable answer key
  • 13 questions
  • Classroom-ready

Details

Format
Interactive · Printable
Grade
Grade 5
Subject
Science
Question types
Fill in the blank, Multiple choice, Matching, Circle the answer, Sorting, Short answer, Drawing

About this worksheet

What students practice

  • Students model matter as particles too small to see.
  • Students use observations from an oil-and-water test to evaluate particle models.
  • Students connect a change in a system to what happens next using evidence.

How to use

Read the investigation together, then have students use the observations to evaluate and draw particle models. Discuss how model symbols represent many particles, not their actual size.

Curriculum

NGSS standard covered

5-PS1-1

Model that matter is made of particles too small to be seen.

Preview

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Name Date

School Kitchen Dressing: A Particle Model

Trace what happens when oil and water are shaken and left still.

Follow the kitchen test

Read the investigation. Use the observations to answer the questions.

The dressing test

1At the school kitchen's dressing station, Priya and Mateo filled two matching clear jars with 100 milliliters of water and 100 milliliters of vegetable oil. They put lids on both jars. Jar A stayed on the counter without being moved. They shook Jar B for 20 seconds, then placed it beside Jar A.

2Before the test, both jars had a clear water layer below a clear oil layer. One minute after shaking, Jar B looked cloudy throughout. Jar A still had two clear layers. Ten minutes later, Jar B had a top oil layer and a bottom water layer again. The two layers in Jar B were clear, like the layers in Jar A.

3The students could see the liquids and the layers, but they could not see individual oil or water particles. They made models with small dots. In each model, one dot stood for many particles of one kind. The dots were drawn much larger than real particles so people could see the model.

1.
What changed first after Priya and Mateo shook Jar B?
  • A. The amount of water in the jar became smaller.
  • B. The oil changed into a solid layer.
  • C. The oil and water became spread through the jar.
  • D. The jar lost its liquid through the closed lid.
2.

How many seconds did the students shake Jar B?   seconds

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