Practicing science observing the natural world of matter grades 3 5
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Practicing Science: Observing the Natural World of Matter Grades 3-5. Mary Tweedy , Curriculum Support Specialist Keisha Kidd, Curriculum Support Specialist Dr. Millard Lightburn, District Science Supervisor Department of Mathematics and Science Office of Accountability and Transformation.

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Practicing Science: Observing the Natural World of Matter Grades 3-5

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Practicing science observing the natural world of matter grades 3 5

Practicing Science:Observing the Natural World of Matter Grades 3-5

Mary Tweedy, Curriculum Support Specialist

Keisha Kidd, Curriculum Support Specialist

Dr. Millard Lightburn, District Science Supervisor

Department of Mathematicsand Science

Office of Accountability and Transformation


Practicing science observing the natural world of matter

Practicing Science:Observing the Natural World of Matter

What is matter?

The material or “stuff” everything is made of.

What are you doing if you are observing matter?

Observing matter means to carefully explore all of its properties.

Look around the room and identify some matter.

What are some physical properties matter can have?

Color, texture, odor, shape…

What are two properties that all matter share?

All matter has mass and takes up space.

What did we just use to observe properties of matter?


What do we use to help us observe

Five Senses

Sight - Looks

Touch - Feels

Hearing – Sounds

when moving…

Odor – Smells

Tastes

Qualitative

Observations

Measurement Tools

Ruler

Tape measure

Balance

Spring Scale

Graduated cylinder

Thermometer

Quantitative Observations

Whatdo we use to help us observe?


Observing and measuring matter

Observing and Measuring Matter

Choose an Object to Observe

Choose an Observation Type

List as many properties as you can about that object.

What do you observe about that object quantitatively?

What are all the things you observe directly about….?

Describe how this object looks, feels,

sounds, and/or smells.

Thumb

Pencil

Book

Desk

Chair

Penny

Drop of Water

Rock

Shell

Plant

Leaf

Flower

Starburst candy

Other


Investigation one

Investigation One

  • Open up your bag of objects and place them on the tray.

  • List each object in your notebook as you observe it.

  • Use your senses to make qualitative observations. Write down words to describe each object.

  • Use your measurement tools to make quantitative observations and record for each object.

  • Look over your observation notes and put all the objects that share a property together in one group. Write down the common property.

  • What word describes the object(s) left over? If more than one do they have a property in common?

  • Now classify the objects into another group and do steps 5 and 6.


Properties or characteristics of matter list

Properties or characteristics ofMatterList

Color

Shape

Size

Luster

Texture

Mass

Weight

Length

Volume

State/Phase

(solid, liquid or gas)


Match the property being tested

Match the Property Being Tested

  • Does the material stretch and then return to shape?

  • Does electricity flow when the material is used to complete the circuit?

  • Is the magnet attracted to the material?

  • Can a penny scratch the material?

  • Can you see through the material?

  • Does the material bend without breaking?

  • Does the material change when dipped into water?

  • Absorbent

  • Elastic

  • Electrical Conductor

  • Flexible

  • Magnetic

  • Hard

  • Transparent


Investigation two

Investigation Two

Equipment Needed: lab sheet, container of water, flashlight, magnet, circuit (lightbulb & wires & battery in a holder connected)

Procedures: Read the test below and predict which properties apply to your group’s six objects. Then conduct the following tests using materials provided in order to identify which properties apply to your group’s six objects. Record results on chart. Compare predictions to results.

  • Does the material change when dipped into water?

  • Does the material stretch and then return to shape?

  • Does electricity flow when the material is used to complete the circuit?

  • Is the magnet attracted to the material?

  • Can you scratch the material? (fingernail, penny…)

  • Can you see through the material? (light travels through)

  • Does the material bend without breaking?

    Bonus: Try to think of a new way to classify your group of objects based on the test results.


Practicing science observing the natural world of matter grades 3 5

Investigation Two Make predictions, test and then record test results on lab sheet chart. Compare. Last add an opposite for each property.


Properties of matter list w hat can be added

PropertiesofMatter List( What can be added?)

Color

Shape

Size

Luster

Texture

Mass

Weight

Volume

State/Phase

(solid, liquid or gas)

Flexible

Elastic

Magnetic

Conductor of electricity

Ability to sink or float in water

Ability to Dissolve in a liquid or solubility


Mystery matter show what you know

Mystery MATTER(Show What You Know)

  • Pick a small object that will fit in a paper bag.

  • Make quantitative observations (mass, length, height, volume…)

  • Make qualitative observations (texture, luster, flexibility, magnetic …)

  • Use these observations to write a description including properties that will help others identify this mystery matter.

  • Share your description with classmates and have them guess what your mystery object is.


Practicing science observing the natural world of matter grades 3 5

MysteryMATTERConnected Learning(Choose a mystery object identified and do the following reflection.)

  • Was there a property that helped you determine the mystery object’s identity easier than other properties? Explain.

  • Which observations were quantitative?

  • Which observations were qualitative?

  • What are you wondering now?


Investigation three

Investigation Three

What do we call characteristics that can be observed, measured, or changed without changing the object itself?

physical properties

They are the things that do not change about an object unless you change the material.

Try out the questions below:


Investigation four

Investigation Four

  • Choose an object to design.

  • It could be an umbrella, a sneaker, a backpack or something else.

  • Think about what property the object needs. For example: an umbrella needs to be waterproof. What else?

    tough, flexible

    4. Decide on what would be a good material.

  • Draw the design and label the materials to be used

    and their properties.


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