Example questions: cooking myths and facts (10 of 10)
These are examples of how FactApp is played. Read each statement and decide whether it’s true or false. Then see the answer with a short explanation, and follow the source link to learn more for yourself. The real daily challenge mixes many categories.
“The only reliable way to know cooked food is safe is by measuring its internal temperature.”
Reveal the answer
TRUE Food can look done yet still be below the safe internal temperature; using a thermometer prevents foodborne illness. :contentReference[oaicite:0]{index=0}
Fun fact: Ground meats need higher temps (around 160 °F) than whole cuts. :contentReference[oaicite:1]{index=1}
Learn more for yourself: ochealthinfo.com
“Refrigerating leftover cooked food within 2 hours slows bacterial growth.”
Reveal the answer
TRUE Bacteria multiply rapidly at room temperature, so refrigeration within ~2 hours slows growth. :contentReference[oaicite:2]{index=2}
Fun fact: Leftovers shouldn’t sit out longer than 2 hours before chilling. :contentReference[oaicite:3]{index=3}
Learn more for yourself: unlockfood.ca
“Frozen food that is thawed in the refrigerator can be refrozen safely.”
Reveal the answer
TRUE If thawed in the fridge and not at room temperature, food can be safely refrozen. :contentReference[oaicite:4]{index=4}
Fun fact: Refreezing may affect texture but not safety if handled properly. :contentReference[oaicite:5]{index=5}
Learn more for yourself: doh.wa.gov
“Rinsing raw chicken before cooking makes it safer.”
Reveal the answer
FALSE Rinsing spreads bacteria via splashing; cooking to proper temperatures kills pathogens instead. :contentReference[oaicite:6]{index=6}
Fun fact: This myth persists despite clear science advising against it. :contentReference[oaicite:7]{index=7}
Learn more for yourself: foodunfolded.com
“Bacteria can survive freezing temperatures in food.”
Reveal the answer
TRUE Freezing halts growth but doesn’t reliably kill all bacteria; reheating properly is needed. :contentReference[oaicite:8]{index=8}
Fun fact: Freezing preserves food but isn’t a sanitizing step. :contentReference[oaicite:9]{index=9}
Learn more for yourself: doh.wa.gov
“Microwaving food kills bacteria regardless of internal temperature.”
Reveal the answer
FALSE It’s the heat, not the microwaves, that kills bacteria, but microwave heating can be uneven. :contentReference[oaicite:10]{index=10}
Fun fact: Stir and rotate foods in the microwave to reduce “cold spots.” :contentReference[oaicite:11]{index=11}
Learn more for yourself: doh.wa.gov
“Cooked foods left at room temperature ≥ 2 hours should be thrown out.”
Reveal the answer
TRUE Keeping cooked food too long at room temp allows bacteria and toxins to grow. :contentReference[oaicite:12]{index=12}
Fun fact: The “danger zone” for bacterial growth is 40–140 °F. :contentReference[oaicite:13]{index=13}
Learn more for yourself: unlockfood.ca
“Cooking food thoroughly can’t always make it safe if toxins have formed.”
Reveal the answer
TRUE Some bacteria produce heat‑stable toxins; once formed, cooking won’t destroy those toxins. :contentReference[oaicite:14]{index=14}
Fun fact: This is a key reason rapid chilling and proper storage are essential. :contentReference[oaicite:15]{index=15}
Learn more for yourself: ochealthinfo.com
“You only need to wash produce if it will be eaten raw.”
Reveal the answer
FALSE Even produce you plan to peel should be washed to avoid transferring bacteria from the surface inside. :contentReference[oaicite:16]{index=16}
Fun fact: Firm produce can be brushed under running water for best results. :contentReference[oaicite:17]{index=17}
Learn more for yourself: unlockfood.ca
“Cross‑contamination is prevented by using separate cutting boards for raw and cooked foods.”
Reveal the answer
TRUE Separate boards and utensils prevent bacteria from spreading from raw to cooked foods. :contentReference[oaicite:18]{index=18}
Fun fact: Color‑coded boards make this simple to follow. :contentReference[oaicite:19]{index=19}
Learn more for yourself: unlockfood.ca
“Leftovers safe to eat if they smell fine, regardless of time stored.”
Reveal the answer
FALSE Smell alone cannot reveal harmful bacteria; leftover age is a better safety measure. :contentReference[oaicite:20]{index=20}
Fun fact: Leftovers should be consumed within about 3–4 days. :contentReference[oaicite:21]{index=21}
Learn more for yourself: johnson.k-state.edu
“Dairy and eggs can be stored in the fridge door for best freshness.”
Reveal the answer
FALSE Door temperatures fluctuate; store milk and eggs inside the fridge to stay colder and safer. :contentReference[oaicite:22]{index=22}
Fun fact: Eggs are best kept in their carton on a shelf. :contentReference[oaicite:23]{index=23}
Learn more for yourself: unlockfood.ca
“Raw sprouts often carry foodborne pathogens and are risky for vulnerable groups.”
Reveal the answer
TRUE Sprouts grow in warm, moist conditions ideal for bacteria; vulnerable groups should avoid them raw. :contentReference[oaicite:24]{index=24}
Fun fact: Cooking sprouts greatly reduces this risk. :contentReference[oaicite:25]{index=25}
Learn more for yourself: johnson.k-state.edu
“Throwing out food “use by” just after date ensures safety.”
Reveal the answer
FALSE Use‑by dates focus on quality; safety depends on storage conditions and handling. :contentReference[oaicite:26]{index=26}
Fun fact: “Best if used by” is a quality, not safety, marker. :contentReference[oaicite:27]{index=27}
Learn more for yourself: ochealthinfo.com
“Foodborne illness symptoms always appear immediately after eating contaminated food.”
Reveal the answer
FALSE Symptoms can take hours or days to appear after exposure. :contentReference[oaicite:28]{index=28}
Fun fact: Latency varies by pathogen type and dose. :contentReference[oaicite:29]{index=29}
Learn more for yourself: johnson.k-state.edu
“Reheating leftovers to 165 °F (74 °C) kills most harmful bacteria.”
Reveal the answer
TRUE Reheating to this internal temp ensures pathogens are destroyed. :contentReference[oaicite:30]{index=30}
Fun fact: Check temperature in several spots for uneven heating. :contentReference[oaicite:31]{index=31}
Learn more for yourself: unlockfood.ca
“Freezing prevents all bacterial growth indefinitely.”
Reveal the answer
FALSE Freezing stops growth but doesn’t kill all bacteria; they can reactivate after thawing. :contentReference[oaicite:32]{index=32}
Fun fact: Some bacteria survive in the freezer for months. :contentReference[oaicite:33]{index=33}
Learn more for yourself: doh.wa.gov
“Cooked rice should be cooled quickly before refrigeration to avoid bacterial toxin growth.”
Reveal the answer
TRUE Rapid cooling prevents bacteria like Bacillus cereus from producing toxins. :contentReference[oaicite:34]{index=34}
Fun fact: Spread rice thinly to cool faster. :contentReference[oaicite:35]{index=35}
Learn more for yourself: foodunfolded.com
“Eating foods past their “sell‑by” date is always unsafe.”
Reveal the answer
FALSE Sell‑by dates guide retailers; food may still be safe if stored properly. :contentReference[oaicite:36]{index=36}
Fun fact: Always check quality and storage history. :contentReference[oaicite:37]{index=37}
Learn more for yourself: ochealthinfo.com
“Washing hands for 20 seconds before cooking significantly reduces the risk of food contamination.”
Reveal the answer
TRUE Proper handwashing loosens and removes microbes and reduces cross‑contamination risk. :contentReference[oaicite:38]{index=38}
Fun fact: Scrub palms, backs, fingers, and nails for effective cleaning. :contentReference[oaicite:39]{index=39}
Learn more for yourself: foodunfolded.com