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sara

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Shaikha

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Today we are gonna start learning how to subtract numbers mentally. With the guidance from your teacher we will look and complete pages 133-135.

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Complete this worksheet using method 1 or 2;
1. Break Apart Numbers
2. Make 10 or 100.

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Shaikha

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3-5-ETS1-1 Define a simple design problem reflecting a need or want that includes specified criteria for success and constraints on materials, time or cost.

3-5-ETS1-2 Generate and compare multiple  possible solutions to a problem based on how well each is likely to meet the criteria and constraints of the problem.

3-PS2-3 Ask questions to determine cause and effect relationships of electric or magnetic interactions between two objects not in contact with each other.

3-PS2-4 Define a simple design problem that can be solved by applying scientific ideas about magnets.

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Vocab:
magnet
magnetic
magnetism
pole
field

Page 68
Watch the video and discuss
Write the observations.

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Introduce the topic: Magnetic Field

Complete the next activity on page 70 and 71 on the same day as introducing the Magnetic Field.

Have students demonstrate the magnetic field using the magnets.

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The magnetic field is the area around a magnet in which there is magnetic force. Moving electric charges can make magnetic fields. Magnetic fields can usually be seen by magnetic flux lines. At all times the direction of the magnetic field is shown by the direction of the magnetic flux lines. The strength of a magnet has to do with the spaces between the magnetic flux lines. The closer the flux lines are to each other, the stronger the magnet is. The farther away they are, the weaker. The flux lines can be seen by placing iron filings over a magnet. The iron filings move and arrange into the lines. Magnetic fields give power to other particles that are touching the magnetic field.

In physics, the magnetic field is a field that passes through space and which makes a magnetic force move electric charges and magnetic dipoles. Magnetic fields are around electric currents, magnetic dipoles, and changing electric fields.

When placed in a magnetic field, magnetic dipoles are in one line with their axes to be parallel with the field lines, as can be seen when iron filings are in the presence of a magnet. Magnetic fields also have their own energy and momentum, with an energy density proportional to the square of the field intensity. The magnetic field is measured in the units of teslas ( SI units) or gauss (cgs units).

There are some notable specific kinds of the magnetic field. For the physics of magnetic materials, see magnetism and magnet, and more specifically diamagnetism. For magnetic fields made by changing electric fields, see electromagnetism.

The electric field and the magnetic field are components of the electromagnetic field.

The law of electromagnetism was founded by Michael Faraday.

Physicists can say that the force and torques between two magnets are caused by magnetic poles repelling or attracting each other. This is like the Coulomb force repelling the same electric charges or attracting opposite electric charges. In this model, a magnetic H-field is produced by magnetic charges that are 'smeared' around each pole. So, the H-field is like the electric field E which starts at a positive electric charge and ends at a negative electric charge. Near the north pole, all H-field lines point away from the north pole (whether inside the magnet or out) while near the south pole (whether inside the magnet or out) all H-field lines point toward the south pole. A north pole, then, feels a force in the direction of the H-field while the force on the south pole is opposite to the H-field.

In the magnetic pole model, the elementary magnetic dipole m is formed by two opposite magnetic poles of pole strength q m separated by a very small distance d, such that m = q m d.

Unfortunately, magnetic poles cannot exist apart from each other. All magnets have north/south pairs which cannot be separated without creating two magnets each having a north/south pair. Also, magnetic poles do not account for magnetism that is produced by electric currents nor the force that a magnetic field applies to moving electric charges.

Related pages

Images for kids

One of the first drawings of a magnetic field, by René Descartes, 1644, showing the Earth attracting lodestones. It illustrated his theory that magnetism was caused by the circulation of tiny helical particles, "threaded parts", through threaded pores in magnets.

The direction of magnetic field lines represented by the alignment of iron filings sprinkled on paper placed above a bar magnet.

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The magnetic field is the area around a magnet in which there is magnetic force. Moving electric charges can make magnetic fields. Magnetic fields can usually be seen by magnetic flux lines. At all times the direction of the magnetic field is shown by the direction of the magnetic flux lines.

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You will need the following items.
Complete the activity on page 70 and 71.

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You can estimate the difference of two numbers by rounding each number to the nearest 10 or 100 before subtracting.
With the guidance of your teacher we will complete page 141.

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How is that magnet being moved without anything touching it? page 69

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Reading: Page 72-73

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Reading: Assign the following books on Level Up

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Reading: Assign the following books on Level Up

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Weekly plan

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RL.3.5 Refer to parts of stories, dramas, and poems when writing or speaking about a text, using terms such as chapter, scene, and stanza; describe how each successive part builds on earlier sections.

L.3.5a Distinguish the literal and nonliteral meanings of words and phrases in context (e.g., take steps)

.3.3a Establish a situation and introduce a narrator and/or characters; organize an event sequence that unfolds naturally.

W.3.3b Use dialogue and descriptions of actions, thoughts, and feelings to develop experiences and events or show the response of characters to situations.

W.3.4 With guidance and support from adults, produce writing in which the development and organization are appropriate to task and purpose.

L.3.5a Distinguish the literal and nonliteral meanings of words and phrases in context (e.g., take steps).

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Genre focus: Poetry
Ginger's Fingers
The Giant
Online book - 160 -165

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Weird
extremely
courageous
adventurous
Poetry Terms:
Narrative Poem
Free Verse
Repetition
Rhyme

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Metaphors for Children | Classroom Learning Video

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Shared Writing Activity
- In small groups the students will write a poem with support from the teacher.

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What do I know about where I live?

page 36-49

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Complete this worksheet by using multiplication and division strategies.

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Complete each family of facts using multiplication and division.

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Yousef Ahli

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Yousef Ahli

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Yousef Ahli

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Shamsa A

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Aisha 👱🏻‍♀️

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Latifa

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The Sticky Balloon Trick! | Physics for Kids

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Aisha 👱🏻‍♀️

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Latifa

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Yousef Ahli

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Yousef Ahli

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Shamsa A

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Noura