8th grade science review

A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• None of them

Tags

NGSS.MS-PS2-5

A person’s body is thrown outward as a car rounds a curve on a highway.

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• None of them

Rockets are launched into space using jet propulsion where exhaust accelerates out from the rocket and the rocket accelerates in an opposite direction.

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• None of them

Tags

NGSS.MS-PS2-1

A picture is hanging on a wall and does not move.

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• None of them

Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more inertia.

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• None of them

Tags

NGSS.MS-PS2-2

Acceleration is produced when a force acts on a mass. The greater the mass (of the object being accelerated) the greater the amount of force needed (to accelerate the object).

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• None of them

Tags

NGSS.MS-PS2-2

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

Tags

NGSS.MS-PS2-4

When you stretch a rubber band, you are storing __________ energy. 

• kinetic 
• potential
• none of the above
• all of the above 

Tags

NGSS.MS-PS3-2

which point has the most potential energy

• G
• f
• b
• a

Tags

NGSS.MS-PS3-2

Which 2 letters have the most kinetic energy

• W & Y
• X & Z

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5