Term exam year 8N

Matter in a ...... has a ...... volume and ...... shape

• gaseous state ___ no definite ___ no definite

• liquid state _____ no definite ___ definite

• a. solid state _____ no definite ___ no definite

During summer days, water kept in an earthen pot becomes cool because of the phenomenon of

• diffusion

• transpiration

• osmosis

• evaporation

An electron is

• positively charged

• neutral

• negatively charged

Tags

NGSS.MS-PS2-3

What is the difference between particles in a gas and a solid?

• gas particles are closer together
• solid particles move faster than gas particles
• solid particles expand on heating
• gas particles have more kinetic energy than solid particles

Tags

NGSS.MS-PS1-4

Pressure can be exerted by solids, liquids and gases.

• TRUE

• FALSE

The pressure inside the balloon will:

• Decrease

• Increase

• Remain the same

• Not enough information to formulate an answer

Does this picture show high or low density?

• High density

• Low density

Which is MORE dense?

• Sponge

• Brick

What does a barometer measure?

• Temperature

• Density

• Pressure

More molecules close together, means density is:

• high
• low