Physical Science EOC Review D

If you use a crowbar to get the lid off of a bucket, what simple machine are you using?

• Inclined Plane
• Pulley
• Wheel and Axle
• Lever

Which two factors affect the gravitational attraction between two objects?

• Density and Friction
• Mass and Distance
• Density and Distance
• Mass and Friction

Tags

NGSS.MS-PS2-4

How many valence electrons does Sodium (Na) have?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-1

Which family of metals would be the most reactive?

• Alkali Metals
• Transition Metals
• Alkaline Earth Metals
• Full Metal Jacket

Which is an alkaline earth metal?

• Calcium
• Rubidium
• Carbon
• Iodine

Which has 4 valence electrons on the outer energy level?

• Boron
• Silicon
• Beryllium
• Sulfur

Tags

NGSS.HS-PS1-1

What is the symbol for Potassium?

• P
• K
• Pb
• Pd

If I were to try to connect the north pole of one magnet to the north pole of another magnet, the two poles would:

• attract
• repel
• neither
• flip

Tags

NGSS.MS-PS2-3

In an electric motor, the energy transformation begins as  ----

• electrical and becomes chemical
• mechanical and becomes electrical
• electrical and becomes mechanical
• mechanical and becomes chemical

Tags

NGSS.HS-PS3-3

What two forces are required for generators and electric motors to work? 

• magnetism and thermal 
• electricity and thermal 
• electricity and magnetism 
• magnetism and radiant 

Tags

NGSS.MS-PS2-3