Final Review 1

The wavelengths of radio waves are much _______________ than the wavelength of microwaves. Therefore, radio waves carry much __________ energy than a microwave

• longer, less

• longer, more

• shorter, more

• shorter, less

Tags

NGSS.MS-PS4-1

Which is MOST LIKELY a solid at room temperature?

• chlorine

• hydrogen

• neon

• potassium

An atom of the element ____________has an average atomic mass of about 16 amu (atomic mass units).

• Lithium

• Boron

• Oxygen

• Carbon

Tags

NGSS.MS-PS1-1

Which particle has the most energy?

• ice

• water

• steam

• there is no difference in particle energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the change in velocity between 1-3 seconds?

• 0 m/s, due to the constant rate

• 8 m/s, it's moving faster at 3 seconds

• 4 m/s, it is moving at 4 m/s

• You cannot determine the change using this graph

Tags

NGSS.MS-PS3-1

What is true about the car's velocity?

• It is increasing

• The car does not move

• The car's velocity is constant over time

• The car is accelerating at a constant rate

Tags

NGSS.MS-PS2-2

Static electricity, conduction, and induction all use ________ to create charge.

• Protons

• Friction

• Electrons

• Thermal Energy

Tags

NGSS.MS-PS2-3

Which demonstrates a physical change?

• Wood decaying

• Silver Tarninshing

• Paper Burning

• Iron Melting

To make salt water a heterogeneous mixture, you could:

• Boil the water

• Remove the salt

• Add some sugar

• Add sand

Why do you see lightning before you hear thunder?

• Sound waves cannot travel through air

• Sound waves travel faster than light

• Light waves travel faster than sound waves

• light travels through a vacuum