Know It All Friday - 8th Science - 12/11/20

As distance between two objects increase the pull of gravity 

• Increases
• Decreases
• Stays the same

Tags

NGSS.MS-PS2-4

In what type of wave does the medium move perpendicular to the movement of the wave?

• Transverse
• Longitudinal
• Electromagnetic
• Radio

What is represented by the  letter 'y'?

• Compression
• Rarefaction
• Wavelength
• Amplitude

Tags

NGSS.MS-PS4-1

The amount of matter in an object is called its

• inertia.

• mass.

• force.

• balance.

Mechanical waves are created when a source of energy causes a medium to  _________________.

• vibrate
• expand
• move
• compress

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Differences in the moon's and sun's pull on different sides of the Earth cause _________.

• gravity
• lunar phases
• tides
• dabbing

Tags

NGSS.1-ESS1-1

Forces always act in equal and opposite pairs.

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law

The tendency of an object to resist change in its motion is known as

• mass.

• inertia.

• force.

• balance.

What would increase the strength of an electromagnet?

• Increasing the amount of current flowing through the wire.
• Inserting a wooden core inside the coil
• Changing the direction of the current
• Decreasing the number of coils of wire

Tags

NGSS.MS-PS2-3

Which electromagnetic waves are used in ovens and cell phone communications?

• Infrared rays
• ultraviolet rays
• microwaves

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2