Heating Different Substances

A specific-heat calorimetry lab

Teacher mode

Mission: compare heating rates

Give equal masses of water, aluminum, and sand the same heating power. Predict which warms fastest.

Experiment

Heating conditions

Heater power120 W

Sample mass250 g

Room temperature20 °C

Insulation20%

Simulation speed1.0×

Live temperatures same elapsed time

20.0 °Cwater · 4184 J/kg·°C

20.0 °Caluminum · 900

20.0 °Cdry sand · 830

Energy supplied0 kJ

Elapsed model time0 s

Canvas graph key

WaterAluminumSand

The text-free graph on the canvas shows temperature history. A steeper line means faster warming.

Water

4184specific heat

20 °Ctemperature

0rise per second

Camera

Zoom1.0×

What is happening?

With equal power and mass, lower specific heat produces a larger temperature rise. Sand and aluminum warm faster than water.

Teacher tools

Reveal relationship

Interactive lecture

Step 1 of 100%

Ready. Lecture will not start automatically.

LanguageVoice sourceVoice

1. Heat transfers energy

What to watch

Watch energy arrows move from the coils into all three samples.

Chapters

Learning objectives

Compare temperature rise under equal heating.
Relate specific heat, mass, power, and temperature change.
Use graph slope to identify faster warming.
Explain heat loss and insulation.

Key concepts

Heating transfers energy. For the same supplied energy, a smaller mass or lower specific heat undergoes a larger temperature change. Water’s high specific heat makes its temperature change slowly.

The model uses measured approximate specific heat values near room temperature. Particle motion and time scaling are educational visualizations.

Try these experiments

Use equal masses and increase heater power.
Select one sample, halve its mass, and compare slopes.
Increase insulation and observe later temperatures.
Choose equal temperature-rise challenge and compare required power.

Questions for exploration

Why does water moderate coastal climates?
Why does a metal pan heat faster than the water inside?
How does insulation change energy loss?

Real-world applications

Cookware, building insulation, thermal storage, engine cooling, desert temperature swings, and climate are shaped by heat capacity and heat transfer.

Common misconceptions

Heat and temperature are not the same quantity.
Equal heating does not guarantee equal temperature rise.
A substance that warms quickly is not necessarily receiving more energy.

Heating check

0 / 7

Answer each question for instant feedback.