Grade 2 TEACHERS’ WORKSHOP

Big Idea 13: Forces and Changes in MotionTopic VII

November 6, 2012

Division of Science Mary Tweedy, Curriculum Support Specialist

What is an object doing if it is in motion?

Moving

What is motion?

Things are moving.

Things in motion change position.

Different Ways an Object can Move

• fast• slow• around and around • straight• zig zag• up and down

• slide

What can you do to make an object move?

Give it a push or a pull

What are a push or a pull that makes something moved called?

Forces

Pushes and Pullshttp://www.bbc.co.uk/schools/scienceclips/ages/5_6/pushes_pulls.shtml

Forces and Movementhttp://www.bbc.co.uk/schools/scienceclips/ages/6_7/forces_movement.shtml

Connecting Learning

• What happens when we push or pull an object?

• What happens when I push or pull an object strongly?

• What happens when I push or pull an object gently?

• What is a force?• What are you wondering now about forces?

Puffer Paths

• Key Question: How many puff does it take to move your sheep from the pasture to the sheep pen? (See game board.)

• Materials per student to make a cotton ball “sheep” : drinking straw, cotton ball, chenille stick (pipe cleaner)• Materials per group: game board and tally sheet• Game Objective: Count and record the number of puffs it takes to blow a cotton ball “sheep” along a path on the game board. Compare your group’s data to the data for the whole class.