WorksheetsMelting Point
Total questions: 25
Worksheet time: 25mins
The temperature when a solid changes to a liquid -
melting point
freezing point
boiling point
When a solid reaches the temperatures of its ___, it can become a liquid.
melting point
freezing point
boiling point
density
What is happening at water melting point?
liquid to gas
solid to liquid
gas to liquid
liquid to soild
A substance has a melting point of 25 oC and a boiling point of 235 oC. What state is it at 5oC?
Solid
Liquid
Gas
The melting point of a substance is:
The temperature at which it freezes
The temperature at which it boils
The temperature at which it melts
The temperature at which it evaporates
Every substance has a different melting point and boiling point
True
False
The melting and boiling point of a substance are physical properties.
true
false
To determine the freezing and melting points use a
thermometer
scale
balance
Melting Point of ice is
100 degrees Celsius
0 degrees Celsius
0 degrees Fahrenheit
The melting and boiling point of a substance are physical changes.
true
false
Melting Point of water is
100 degrees Celsius
0 degrees Celsius
0 degrees Fahrenheit
The freezing and melting points of water are the same.
True
False
If the temperature is below the melting point of a substance and below the boiling point of a substance what state will it be in?
Solid
Liquid
Gas
What is the melting point of pure iron?
1538°C
1000°C
500°C
2500°C
Which of the following factors can affect the melting point of a substance?
Pressure
Color
Volume
Shape
At what temperature does ice melt in Fahrenheit?
32°F
0°F
100°F
212°F
Which of the following statements is true about melting point?
It is the same as the freezing point.
It is higher than the boiling point.
It is lower than the freezing point.
It is the same as the boiling point.
What happens to the particles of a solid as it reaches its melting point?
They move faster and spread apart.
They stop moving.
They move closer together.
They change into gas.
Why does salt lower the melting point of ice?
It disrupts the hydrogen bonds.
It increases the temperature.
It absorbs heat.
It changes the color of ice.
Which of the following is an example of a substance with a low melting point?
Wax
Iron
Diamond
Copper
How does the melting point of a substance relate to its purity?
Impurities lower the melting point.
Impurities raise the melting point.
Impurities have no effect.
Impurities make it boil.
What is the melting point of gold?
1064°C
500°C
2000°C
1500°C
Which of the following is a real-world application of melting point?
Determining the purity of a metal
Measuring the density of a liquid
Calculating the speed of light
Finding the volume of a gas
What is the significance of a substance's melting point in scientific research?
It helps identify the substance.
It determines its color.
It measures its weight.
It calculates its speed.
Which of the following materials has the highest melting point?
Tungsten
Lead
Aluminum
Silver
