Copy of melting and boiling physical properties of matter 1

Multiple Choice

What is the melting point of water in Celsius?

• 0°C

• 32°C

• 100°C

• 273°C

Fill in the Blanks

The graph shows different variables that melted

.

Multiple Choice

What is the significance of using different variables?

• Different variables are essential for calculating distances.
• Different variables help in predicting weather patterns.
• Different variables are used to measure temperature changes.
• Different variables help identify which substances are most effective in melting ice.

Multiple Choice

What does the graph in the image suggest about the effect of salt on ice melting?

• Salt melts ice the fastest.

• Salt melts ice the slowest.

• Salt has no effect on ice melting.

• Salt melts ice at an average rate.

Multiple Choice

What are the key factors that affect the rate at which ice melts according to the graph?

• Temperature, pressure, and salt.

• Salt, sand, flour and sugar.

• Salt, honey, cocoa powder.

Open Ended

Which dependent variable melted the ice cube the slowest?

Fill in the Blanks

Gallium is a metal that

in your hand.

Open Ended

Which material is a liquid at -20°C?

Multiple Choice

At what temperature does glass melt according to the chart?

• 1400°C

• 34°C

• 0°C

• 82°C

Multiple Choice

What is the boiling point of water in degrees Celsius?

• 0°C

• 50°C

• 100°C

• 150°C

Open Ended

What can you infer the process the water goes through before reaching 0° Celsius?

Open Ended

Which state of matter will come after the phase change of melting?