Front

A teacher is moving classrooms across the school and wants to make the move as easy as possible. Which of the following questions should the teacher ask to determine the best simple machine to use for the move? Options:

Should the teacher use an inclined plane to push all of the classroom objects from one place to another?

,

Should the teacher use a wheel and axle to move the classroom objects from one place to another?

,

Should the teacher use a lever to lift and move the classroom objects from one place to another?

,

Should the teacher use a pulley to pull all of the classroom objects from one place to another?

Back

Should the teacher use a wheel and axle to move the classroom objects from one place to another?

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Front

Where should the fulcrum be placed to project a marshmallow the longest distance? Options: At point A, At point B, Between B and C, At point D.

Back

At point D because it is the closest to the marshmallow and farthest from their hands creating a larger force.

Tags

NGSS.MS-ETS1-1

NGSS.MS-PS2-2

Front

What question should the student ask the parents to help them figure out how to solve the problem of moving furniture to a loft with a circular staircase?

Back

Can we create a pulley system to attach the furniture and pull it up to the loft?

Tags

NGSS.MS-ETS1-1

Front

What question could a friend ask to determine if a seesaw is a lever?

Back

Is a seesaw supported by a fulcrum to lift up a student?

Front

How does a pulley system change forces when lifting an item?

Back

When the man pulls down on the rope to raise the object, the force is being transferred through the machine instead of having to lift the object by himself.

Front

Tommy is at the zoo with his mother, father, and little sister. His sister is 12 years old and is in a wheelchair. Tommy wants to take his sister to go see the Gorilla exhibit but there are stairs. What statement best describes the usage of a machine to help Tommy and his sister see the gorillas?

Back

Tommy can ask his mother or father to help his sister push the wheelchair up the ramp.

Tags

NGSS.MS-ETS1-1

Front

A fourth grade class with 24 students is playing tug of war with a rope against their teacher. Which of the following BEST describes the expected outcome?

Back

The 24 students will win since the forces are unbalanced because they will have more force pulling on their side compared to the one teacher.

Tags

NGSS.3-PS2-1

Front

Examine the picture and their descriptions. Which picture shows an unbalanced force?

Back

Picture D, because the girl kicking the soccer ball shows an unbalanced force.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Front

What will most likely happen to David and Delia on the seesaw?

Back

David will move down, and Delia will move up because their forces are unbalanced.

Tags

NGSS.3-PS2-1

NGSS.5-PS2-1

Front

How does friction affect the motion of a ball rolling on different surfaces after rolling down a ramp? Options: Tile (less friction), Carpet (more friction)

Back

The ball rolling on the tile shows an unbalanced force since there was less friction than when the ball rolled on the carpet.

Tags

NGSS.MS-PS2-2