S8P1B

S8P1b In which state of matter do particles spread and fill the volume of the container that holds them?

• gas

• ice

• solid

• liquid

Which type of arrangment and movement would particles of mercury display?

• Particles closely packed together and they vibrate back and forth

• Particles are spread far apart and they move quickly

• Particles are close together but they are able to slip past one another

• Particles are spread far apart and electrons are detached from atoms

Tags

NGSS.MS-PS3-2

How is plasma different from gas?

• Plasma has a definite shape, but gas does not

• Gas is hotter than plasma

• Electrons separate from atoms in plasma

• Gas has a definite volume, but plasma does not

An atom of the element has how many protons?

• 18

• 19

• 39

• 58

Tags

NGSS.MS-PS1-1

What happens to the magnetic field around a wire when the electric current through the wire increases?

• It decreases

• It remains the same

• It increases

• It reverses direction

Tags

NGSS.MS-PS2-3

What is the unit of resistance in an electrical circuit?

• Volt

• Ampere

• Ohm

• Watt

Which of the following is a longitudinal wave?

• Light wave

• Sound wave

• Water wave

• Radio wave

S8P1e The model shows a neutral atom. How many protons are in this atom?

• 2

• 4

• 5

• 9

Tags

NGSS.MS-PS1-1

When enough heat is added to liquid water, it boils, and bubbles of water vapor rise to the surface and into the air. Which type of change is this and why?

• a chemical change because gas is produced

• a chemical change because heat is produced

• a physical change because the identity fo the substance changes

• a physical change, because the substance changes state

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which mass of water (H2O) is produced in the reaction?

• 16g

• 20g

• 32g

• 36g

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5