Balance Unbalanced

A force has both strength and ________.

• power
• direction
• color
• balance

Tags

NGSS.MS-PS2-1

When Izzy and Zoe pull on the rope with the same amount of force, the forces are ________.

• increased
• unbalanced
• balanced
• decreased

Tags

NGSS.MS-PS2-1

Why did Izzy fall when playing tug of war?

• he tripped
• unbalanced forces
• balanced forces
• he was pushed

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Why doesn't the ping-pong ball just shoot up to the ceiling?

• air pressure
• force of gravity
• force of air above it
• trick ping-pong ball

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

To move back to where he started, Dr. Jeff changes which of these?

• amount of force
• type of force
• direction of the force
• skateboard wheels

Tags

NGSS.MS-PS2-1

Which of these involves balanced and unbalanced forces?

• golf
• pool (billiards)
• hoverboarding
• all of these

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Why is the egg NOT moving before Zoe hits the pan?

• forces are balanced
• forces are unbalanced
• there are no forces
• none of these

Tags

NGSS.MS-PS2-2

What force causes the egg to fall into the cup?

• air pressure
• gravity
• static electricity
• there are no forces acting on it

Tags

NGSS.MS-PS2-4

What did Zoe change to steer her hovercraft?

• type of force
• strength of force
• direction of force
• added brakes

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Why didn't Zoe get the ball in the hole on her first try?

• right direction but not enough strength
• wrong direction but right amount of strength
• poor quality golf club
• didn't have proper golf shoes