Staar 2024

Which statements correctly compare metals and nonmetals?

• Metals tend to be good conductors of thermal energy. Nonmetals tend to be good insulators of thermal energy.

• Metals are dull and brittle. Nonmetals are shiny and malleable.

• Metals are good insulators of electricity. Nonmetals tend to be good conductors of electricity.

• Metals cannot be stretched into thin wires. Nonmetals can be stretched into thin wires.

Answer explanation

Statement F correctly highlights that metals are typically good conductors of heat and electricity, while nonmetals are not. This fundamental difference is key in comparing the two categories of elements.

Tags

NGSS.MS-PS3-3

Based on this information, the element could NOT be a member of which group on the periodic table?

• Metals

• Metalloids

• Nonmetals

I am ductile - I can be drawn into wires.

• Metals

• Nonmetals

• Metalloids

Answer explanation

Metals are ductile, meaning they can be drawn into wires. This property is characteristic of metals, while nonmetals and metalloids do not exhibit this behavior.

Tags

NGSS.MS-PS1-1

What is the net force?

• 20 N 

• 0 N 

• 400 N 

• 40 N 

Answer explanation

The net force is the vector sum of all forces acting on an object. If the forces balance out, the net force is 0 N. However, if there is a resultant force of 40 N in one direction, that is the net force.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

• 4N 
• 6N 
• 10 N 
• 14 N 

Tags

NGSS.MS-PS2-2

Based on these properties, which element is most likely a nonmetal?

• Element 1

• Element 2

• Element 3

• Element 4

Answer explanation

Element 2 is most likely a nonmetal due to its properties, which typically include being poor conductors of heat and electricity, having lower melting and boiling points, and existing in various states at room temperature.

What is the net force?

• 5000 N right

• 4000 N right

• 40 N left

• 4000 N left

Tags

NGSS.MS-PS2-2

Earth's ________ on its axis causes day and night.

• rotation

• revolution

• phase

• comet

Tags

NGSS.MS-ESS1-1

What is the elevation of point B?

• 800 ft

• 850 ft

• 900 ft

• 1000 ft

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Determine the contour interval:

• 5 m

• 10 m

• 15 m

• 20 m