Heat moves in only three ways, and every cooking method is built on one of them: dry heat that browns, moist heat that softens, and the two used one after the other. The four tabs hold 24 study cards, hints with a method chart, a three-tier quiz, and a workshop you can carry to the stove.
Three pieces, space between them. The steam escapes and the pan surface stays dry.
Browning has a name: the Maillard reaction. It needs a dry surface that is hotter than boiling water. As long as the surface is wet it stays at about 212 °F (100 °C), so a crowded or wet pan steams instead of browning.
Four things people get wrong
⚠️People often think…
Turning the burner higher makes the boiling water hotter.
Boiling water stops at 212 °F (100 °C) at sea level. More heat does not raise that number — it only turns water into steam faster. For the food in the pot, a hard boil and a gentle simmer are nearly the same temperature.
The bubbles tell you it is boiling, not how hot it is.
⚠️People often think…
Deep-frying is moist heat, because the food is covered in liquid.
Moist means water, not wet. Oil holds no water, so it climbs far past 212 °F (100 °C) and browns whatever it touches. Deep-frying is a dry-heat method, and the crust proves it.
If it browns, there was no water in the way.
⚠️People often think…
Browning the outside seals the juices inside the meat.
A browned crust is not a seal. A seared piece of meat keeps losing water the whole time it cooks. Browning is worth doing for color and flavor, and that is the whole reason. Resting the meat is what keeps the juice in it.
Browning buys flavor. Resting buys juice.
⚠️People often think…
Chicken with no pink left in it is cooked.
Color is not a temperature. Chicken can lose its pink well before it is safe, and it can stay a little pink after it is safe. The USDA number for all poultry is 165 °F (74 °C), read in the thickest part, away from bone.
Read the number, not the meat.
Get the water off first
1Watch one
Two groups cooked the same chicken thighs in the same pan on the same burner. One pan browned. One came out gray. Why?
Group A: six thighs, space between them.
Group B: twelve thighs, edge to edge.
Chicken is mostly water. Heat drives it out.
In group A the steam escaped. The surface dried.
In group B it was trapped. The surface stayed wet.
A wet surface holds at about 212 °F (100 °C).
Browning needs hotter than that. Group B could not get there, so it steamed. ✓
2Do one with me
Fill the three numbers and words this unit keeps coming back to.
At sea level, water boils at
A pan crowded edge to edge does not brown. It
Chicken is safe to eat at
💬One sentence, then you move on
Why can a wet surface never get hot enough to brown?
3Try one
A beef chuck roast is tough and full of connective tissue. What kind of heat does it need?
I want a hint first
Connective tissue is collagen. What has to happen to the collagen before this meat is tender, and does it need heat or time?
💬Last one — then you are done here
A steak wants fast dry heat and a chuck roast wants long moist heat. Why are the two rules opposite?
Where this goes
Where this lives
Making a cheap cut taste like an expensive one — time and liquid, not money. And getting a real crust on a weeknight: dry the food, heat the pan, cook in two batches.
What this feeds
Next unit is nutrition and meal planning — choosing what goes in the pan, once you know what the pan can do.
Name one food you have cooked that came out gray instead of brown, and say what you would change.
One card at a time — tap “Show me” to check yourself, then Next. Start at Foundation; when those feel easy, climb.
Helpful Hints
🧭 The unit in one line
Heat moves three ways — conduction (by touch), convection (carried by moving liquid or air) and radiation (as rays across a gap). Dry heat is hotter than water can get, so it browns. Moist heat stops at 212 °F (100 °C), so it softens. Braising and stewing do one, then the other. A thermometer, not a clock, tells you when it is done.
Touch, carry, rays. Dry browns, wet softens.
🔑 The one idea
Water cannot get hotter than its boiling point. Everything follows from that. A wet surface stays at 212 °F (100 °C) and stays pale; a dry surface climbs far past it and turns brown. So if you want color and flavor, get the water off first. If you want a tough cut to fall apart, keep the water on and wait.
⚠️ Traps to avoid
A boil is not hotter than a simmer for the food inside it. Both are water. Turning the burner to high only boils the water away faster.
Deep-frying is DRY heat. Oil holds no water, so it can pass 212 °F (100 °C) and brown the food.
A crowded pan does not sear faster. It steams. Cook in two batches instead.
Browning does not ‘seal in the juices’. That is an old story. Browning makes flavor and color, nothing more.
Never put water — or wet food — into hot oil, and never move a burning pan. Turn off the heat and slide a lid over it.
A tough cut cooked fast and hot stays tough. Time and moisture, not more heat, are what soften it.
Color is not doneness. Chicken can look done and be under 165 °F (74 °C). Use a thermometer in the thickest part, away from bone.
📐 The method chart
Method
Dry or moist
How the heat gets there
Good for
Sauté
dry
conduction from the pan, a little fat
thin, tender, quick — sliced peppers, shrimp
Pan-fry
dry
conduction through a layer of fat
breaded cutlets, fish fillets
Deep-fry
dry
conduction and convection in hot oil
potatoes, battered foods
Roast / bake
dry
convection in hot air, plus radiation from the oven walls
whole chicken, bread, vegetables
Broil / grill
dry
mostly radiation, from above or below
thin tender cuts, burgers
Boil — 212 °F (100 °C)
moist
convection in churning water
pasta, potatoes, hard vegetables
Simmer — about 185–205 °F (85–96 °C)
moist
convection, gently — small bubbles
soups, beans, braises, stews
Poach — 160–180 °F (71–82 °C)
moist
still water, no bubbles breaking
eggs, fish, chicken breast
Steam / blanch
moist
convection in vapor, or a short dip in boiling water
green vegetables, dumplings
Braise / stew
both
dry heat to brown, then a long moist simmer
tough cuts — chuck, shoulder, shank
🌡️ The numbers to know
The first three are about the water. The rest are USDA safe minimum internal temperatures — the point at which the food is safe to eat.
Boil: 212 °F (100 °C) at sea level. Simmer: about 185–205 °F (85–96 °C). Poach: 160–180 °F (71–82 °C).
All poultry — whole, in pieces, or ground: 165 °F (74 °C).
Ground beef, pork, veal and lamb: 160 °F (71 °C).
Steaks, chops and roasts of beef, pork, veal and lamb: 145 °F (63 °C), then rest 3 minutes.
Fish and shellfish: 145 °F (63 °C). Egg dishes: 160 °F (71 °C). Leftovers and casseroles: 165 °F (74 °C).
The danger zone is 40–140 °F (4–60 °C). Food should not sit there.
🎯 How you will be asked
“Name the three ways heat moves, and give a kitchen example of each.”
A method — “is it dry heat, moist heat, or both?”
A cut of meat — “which method, and why?”
“Why did this pan steam instead of browning?”
A temperature — “simmer, boil or poach? Safe, or not yet?”
✅ Before the test, can you…
Define conduction, convection and radiation in one sentence each?
Sort seven dry-heat and seven moist-heat methods without the chart?
Give the temperature of a boil, a simmer and a poach?
Say why a tough cut needs long moist heat and a tender cut does not?
Explain the Maillard reaction and the three things that stop it?
List the USDA safe temperature for poultry, for ground meat and for a steak?
📚 Go to the sources
These open another website and need the internet. On FoodSafety.gov, find the safe minimum internal temperature chart and check it against the list above — the numbers on this page came from there.
Look back at anything you missed — the hint that appeared is exactly what to reread tonight.
How sure did you feel?
Workshop
Work like a cook: sort fourteen dishes by the heat that cooks them, label a pan on a burner, put a braise in order, then explain why a crowded pan will not brown.
Your practice never leaves this device. There is no account and no sign-in. Your work is saved in this browser only, and you can erase it whenever you want.
Your practice record — saved on this device
This is your record of the module on screen — it stays here and goes nowhere. Independent means you got it right on the first tap; supported means you got it after the explain-and-retry, or marked ‘I had it’ on a revealed answer. Both count, and neither is a grade. If your teacher asks, copy the row or show them this screen.
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The answer key is for a teacher: it prints only from here, for the unit on screen. Print the study packet prints the study pages and a blank quiz — never the answers.