Experimental Design

Which tool is used to measure distance in the investigation?

• Spring scale

• Meter stick

• Magnet

• Hand lens

How many tools, besides the ramps and toy car, are needed for the investigation?

• One

• Two

• Three

• Four

Tags

NGSS.MS-PS2-2

What is the role of the stopwatch in the investigation?

• To measure weight

• To measure time

• To measure distance

• To measure temperature

Which tool would be used to measure the weight of the toy car?

• Spring scale

• Stopwatch

• Meter stick

• Hand lens

What is the main focus of the investigation?

• The color of the car

• The size of the ramps

• The time and distance the car rolls

• The weight of the car

Tags

NGSS.MS-PS2-2

Which tool is used to observe small details?

• Hand lens

• Stopwatch

• Meter stick

• Spring scale

What should the lab team do to improve their investigation?

• Use Ball A on both ramps.

• Use Ramp 2 for both balls.

• Use Ramp 1 for both balls.

• Place Ball B on Ramp 1 and Ball A on Ramp 2.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A spring scale is a tool that measures the strength of force needed to move an object. The force is measured in Newtons (N). A student sets up two spring scales pulling wooden boxes of different masses across a table.

Which question is this investigation most likely designed to answer?

• How does mass affect the force needed to move an object?

• How does the surface affect the force needed to move an object?

• How do wooden blocks affect spring scales?

• How does the mass of one block affect the mass of another block?

Tags

NGSS.MS-PS2-2

A lab team set up a tray of soft clay. They dropped a 1kg ball from 25 cm above the tray. They measured the depth of the dent formed by the boat. Then they dropped the same ball from 50 cm above the tray and measured the depth of the dent formed by the ball.

Which question is this investigation most likely designed to answer?

• How does the height from which a ball is dropped affect the depth of the dent the ball makes?

• How does the mass of a ball affect the depth of the dent the ball makes?

• How does the depth of the dent a ball makes affect both the mass of the ball and the height the ball was dropped from?

• How does the force of a ball affect its mass?

Tags

NGSS.MS-PS3-5

A student used a spring launcher to launch four spheres of equal diameter but different masses into the air. She used a meter stick to measure the height of each sphere reached after launch.

What question is the experiment MOST LIKELY trying to answer?

• How does the mass of each sphere affect the height the sphere will reach when launched?

• How does the length of each spring affect the mass of each sphere?

• How does the mass of each sphere change as it is launched from the spring launcher?

• How does the volume of each sphere affect the height the sphere will reach when it is launched?

Tags

NGSS.MS-PS2-2