Which formula represents density?

• ρ = m/V
• p = F/A
• E = mc²
• F = ma

When measuring liquid density, which error should you specifically avoid?

• Measurement noise
• Parallax errors
• Temperature fluctuations
• Instrument vibration

In solids, molecular arrangement is characterized by:

• Random movement
• Weak intermolecular forces
• Regular, close pattern
• Rapid molecular motion

Pressure is measured in which unit?

• Watts
• Joules
• Pascals
• Newtons

Which state of matter has molecules with negligible intermolecular forces?

• Solid
• Liquid
• Plasma
• Gas

During a state change, what remains constant?

• Molecular speed
• Pressure
• Temperature
• Volume

What happens to internal energy when matter is heated?

• Decreases
• Remains constant
• Increases
• Becomes zero

In liquids, molecular movement is characterized by:

• Fixed position
• Vibrating in place
• Moving around each other
• Complete immobility

The formula p = F/A represents:

• Density
• Pressure
• Energy
• Velocity

Which demonstration illustrates pressure distribution?

• Single nail vs bed of nails
• Water boiling
• Ice melting
• Wind blowing