Monday March 4, 2019 Non-contact forces

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Presentation transcript:

Monday March 4, 2019 Non-contact forces Take a look at the following pictures. What do they all have in common? Maybe this will help… “force”! Another…. “Are they touching?” Non-contact forces

Why does a compass always point “North”? A magnetic compass does not point to the geographic north pole. A magnetic compass points to the earth's magnetic poles, which are not the same as earth's geographic poles. Furthermore, the magnetic pole near earth's geographic north pole is actually the south magnetic pole. When it comes to magnets, opposites attract. This fact means that the north end of a magnet in a compass is attracted to the south magnetic pole, which lies close to the geog. north pole. Tuesday March 5, 2019 Why does a compass always point “North”?

Gravity, Magnetism & Non-Contact Forces Review Stations Wednesday March 6, 2019 Gravity, Magnetism & Non-Contact Forces Review Stations There will be copies of an instructional sheet at all of the tables. Please read them carefully. Station 1: PlayPosit Station 2: NewsELA Article Station 3: Gravity vs. Magnetism Venn Diagram Station 4: Edulastic Log-in & Practice Assessment

Gravity, Magnetism & Non-Contact Forces Review Stations Thursday March 7, 2019 Gravity, Magnetism & Non-Contact Forces Review Stations There will be copies of an instructional sheet at all of the tables. Please read them carefully. Station 1: PlayPosit Station 2: NewsELA Article Station 3: Gravity vs. Magnetism Venn Diagram Station 4: Edulastic Log-in & Practice Assessment

Gravity, Magnetism & Non-Contact Forces Review Stations 2. Some magnets are described as being ferromagnetic because They have two poles They are old They are made of iron They use electricity. Friday March 8, 2019 A compass has a small balanced pointer that always points North-South. This is because… Gravity makes the needle point this way The compass needle points to the cold places. The stars exert a force on the needle. The earth has a magnetic field and the pointer is magnetic. 3. Which two of the following are considered Non-contact Forces? Gravity Tension Magnetism Spring Force Gravity, Magnetism & Non-Contact Forces Review Stations