The four laws of thermodynamics in everyday life
Grade 10 Science Worksheet - Building Confidence
Circle the best answer, or write your answer on the line.
A gas takes in 400 J of heat and does 100 J of work pushing outward. By how much does its internal energy rise, Ari?
A gas takes in 1200 J of heat and does 450 J of work pushing outward. By how much does its internal energy rise, Bo?
A gas takes in 80 J of heat and does 30 J of work pushing outward. By how much does its internal energy rise, Esme?
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Use this
One picture per law (textbook statements). Columns: law, picture, what it says. zeroth, a thermometer touching two cups, objects in balance with a third are at the same temperature; first, a battery lighting a bulb, energy changes form but is never made or destroyed; second, hot soup cooling in a room, heat flows from hot to cold, and the universe's disorder grows; third, a perfect crystal near absolute zero, a perfect crystal's disorder nears zero at 0 K.
Using the pictures, which law says energy is never made or destroyed, Jun?
- The zeroth law
- The third law
- The first law
Using the pictures, which law explains hot soup cooling in a room, Luz?
- The zeroth law
- The second law
- The third law
A battery lights a bulb. What happens to the energy, Milo?
- It is destroyed as light
- It changes form; the total stays
- New energy is made
Can a machine make energy from nothing, Noah?
- Yes: if it runs fast enough
- Yes: with magnets
- No: energy is conserved
A ball bounces lower each time. Where did its missing energy go, Pia?
- Into heat and sound
- Into the ball's mass
- It was destroyed
A thermometer in a glass of water settles at 20 °C. Why does that tell us the water's temperature, Ren?
- It holds its own heat
- It cools the water to 20 °C
- It matches the water's temperature
When do two objects in contact stop exchanging net heat, Zee?
- When one of them melts
- When their temperatures are equal
- When they weigh exactly the same amount