What is the push or pull that makes an object move?

• motion
• pull
• velocity
• force

Tags

NGSS.MS-PS2-2

What is a material that electric charges can easily flow through?

• magnet
• conductor
• semiconductor
• insulator

What means "to push away from something?"

• Attract

• Drag
• Repel

• Push

Tags

NGSS.MS-PS2-1

Which term means moving from one place to another?

• conductor

• motion

• magnetic field

• force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What are two EQUAL forces acting on an object called?

• Balanced forces
• Unbalanced forces
• Unequal forces
• Opposite forces

What is the area where a magnetic force acts called?

• magnetic zone
• force field
• magnetic region
• magnetic field

Tags

NGSS.MS-PS2-5

Which force does not need to touch an object to affect it?

• Noncontact force

• Balanced force

• Frictional force
• Contact force

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Joseph set up dominoes in a row. She pushed the first one. Which 2 statements are true about the dominoes?

• The force of the standing domino on the table and the force of the falling domino are equal.

• The falling domino creates a chain reaction.

• The force of the push on the domino and the force of the table on the domino are opposite but not equal.

Look at the table describing the girl climbing the rope. Which force in the table is incorrect and why?

• Pull of hands because it is a non-contact force

• Push of feet because it is a non-contact force

• Gravity because it is a contact force.

• Friction because it is a contact force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Keenan rubbed a pool noodle with a wool cloth. He held the pool noodle close to a small plastic bag. Look at the picture and complete the sentence: "The pool noodle has a ________ charge. The plastic bag has a ________ charge."

• The pool noodle has a positive charge and the plastic bag has a negative charge

• The pool noodle has a negative charge and the plastic bag has a positive charge

• They both have positive charges.

• They both have negative charges.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5