Heat on the Move: Designing Your Own Thermal Energy Transfer Investigation
Science Lab · Grade 6 · Science
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Type
science_lab
Pre Lab
Background: Have you ever grabbed a metal spoon that was sitting in a bowl of hot soup and immediately felt the heat travel up the handle? Or noticed that a wooden spoon sitting in the same bowl feels much cooler to the touch? Both spoons are in the same room, at the same starting temperature — so why do they behave so differently when heat is involved? The answer lies in how particles inside different materials interact and pass energy along.
All matter is made of tiny particles that are constantly moving. The faster these particles move, the higher the **temperature** of the object — temperature is a measure of the **average kinetic energy** of all the particles in a substance. When two objects at different temperatures touch each other, the faster-moving particles in the hotter object collide with the slower-moving particles in the cooler object, transferring energy. This process is called **conduction**, and it continues until both objects reach the same temperature, a state called **thermal equilibrium**. The energy that flows from the hotter region to the cooler region during this process is called **heat** — it is not a substance, but energy in the act of moving.
Different materials conduct heat at different rates. Materials that allow heat to flow through them quickly are called **thermal conductors**, while materials that slow down or block heat flow are called **thermal insulators**. Scientists measure how well a material conducts heat using a property called **thermal conductivity**. In today's lab, you will act as a scientist by designing your own investigation to explore how the type of material affects the rate of thermal energy transfer. You will plan your procedure, identify your variables, collect data, and then construct an evidence-based explanation for what you observe.
Vocabulary
Term: Temperature
Definition: A measure of the average kinetic energy of the particles in a substance; measured in degrees Celsius (°C) in science.
Term: Thermal Energy
Lab Type
Post Lab
Standards
Safety Level
Teacher Notes
Estimated Time
Experiment Design
Research Question
Learning Objectives
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