Gears are sometimes called

• COGS
• WHEELS 

MOST gears are

• Wheels
• Cylinders
• Both, wheels & cylinders
• I don't know

Simple machine that transfers motion from one part of the machine to another

• Inclined Plane
• Gears
• Pulley
• All of them

Tags

NGSS.MS-PS2-1

BIG gears are used for

• More turning power (torque)
• More rotational speed

Tags

NGSS.MS-ETS1-1

LITTLE gears are used for

• More turning power (torque)
• More rotational speed

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Engineers often pair little gears with big gears to 

• Increase speed
• Increase torque

Tags

NGSS.MS-PS3-1

The larger the radius, the ______ force a turning wheel has

• MORE
• LESS

Gears spin in 

• Opposite direction
• Same direction

If you were to increase the rotational speed of a fan you would

• Use a gear train with progressively SMALLER gears
• Use a gear train with progressively BIGGER gears

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Some gears are not wheels or cylinders. 

• TRUE
• FALSE