Tides

What are the two main causes of ocean tides?

• Magnetic force and the rotation of Earth on its axis

• Gravitational forces and the rotation of Earth on its axis

• Gravitational forces and the rotation of the Moon on its axis

• Magnetic force and the revolution of Earth on its axis

Tags

NGSS.MS-PS2-4

A diagram of the Moon and Earth systems is provided. At which points in the diagram would the lowest tides be expected?

• W & Y

• W & X

• Y & Z

• Z & X

Tags

NGSS.MS-ESS1-1

On average, how many high tides and low tides are experienced by any location on Earth in a 24 hour period? 

• 4 high and 4 low
• 2 high and 2 low
• 1 high and 1 low
• 2 high and 1 low 

Tags

NGSS.MS-PS2-4

Why does the moon's gravitational pull have more of effect on tides than the sun's gravitational pull?

• they are the same

• the Moon is larger than the Sun

• tides are not caused by the Moon

• the moon is much closer to the Earth than the Sun

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS2-4

The position of the Moon has an effect on the tides. High tide occurs on Earth in places that -

• experience a waxing crescent Moon in the last day

• are facing the Moon or directly opposite the Moon

• experienced a first quarter Moon in the last day

• has just experienced the Moon rising or setting

Tags

NGSS.MS-ESS1-1

A student wants to use the objects pictured in the diagram to create a model of the Earth, Sun, Moon system. In which two positions could the student placethe golf ball to model the strongest tides?

• X and Y

• X and Z

• Y and Z

• Z and W

Tags

NGSS.MS-ESS1-1