Force Investigations

• inertia

• push

• friction

• gravity

Tags

NGSS.MS-PS2-4

• Pull down on the rope

• Raise up his arms.

• Let go of the rope.

• Tie the rope to something.

Tags

NGSS.3-5-ETS1-1

• Which material has the greatest volume?

• How do blocks of different sizes change in weight?

• How does the material used affect weight?

• How does the material used affect luster?

• triple beam balance, meter stick, block, 5 foot tall student

• 4 foot tall student, 4 1/2 foot tall student, 5 foot tall student, block

• plastic block, wooden block, metal block, glass block

• blacktop pavement, concrete sidewalk, classroom carpet, gym floor, block

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

• The students had the same speed while swinging.

• The students used different amount of force while swinging.

• The students were on the swing for the same amount of time.

• The students used the same amount of force while swinging.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

• Do flowering plants grow better when watered with salt water?

• How much fertilizer do flowering plants need?

• Does fertilizer added to the soil lead to taller flowering plants?

• How tall do flowering plants grow?

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

• air

• gravity

• mass

• friction

Tags

NGSS.MS-PS2-2

• Changing the position but not the motion of the basketball

• Doing work by pushing the basketball, changing its motion and position

• Changing the position and motion of the basketball without doing any work

• Doing work by pulling the basketball and changing its position but not its motion

• The brakes heat the rubber on the bicycle tires.

• The brakes add energy to the bicycle.

• The brakes increase the force of gravity on the bicycle.

• The brakes cause frictional force on the wheels of the bicycle.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

• Student A

• Both student A and student B

• Student B

• Neither student A nor student B

Tags

NGSS.MS-LS1-5