Ratio Power
There are 6 blue markers and 9 red markers. Give the blue-to-red ratio in simplest whole-number form.
What is 2:3?
Four notebooks cost $12. This is the cost per notebook.
What is $3 per notebook?
This word names a living thing so small that you usually need magnification to see it.
What is a microorganism?
Patient 23's case helps us investigate this community of tiny organisms inside the body.
What is the microbiome?
Meeting the Monster: The frightening monster in the title represents this disease.
What is yellow fever?
Harry Potter attends this school of witchcraft and wizardry.
What is Hogwarts?
A recipe uses 2 cups of rice for every 3 cups of water. This many cups of water are needed for 6 cups of rice.
What is 9 cups?
A cyclist travels 18 miles in 3 hours at a constant speed. This is the speed in miles per hour.
What is 6 miles per hour?
This instrument helps scientists observe individual bacteria too small to see with the naked eye.
What is a microscope?
These medicines kill bacteria or slow their growth, but can affect helpful bacteria too.
What are antibiotics?
Feeding the Fishes: This phrase describes what happens to Reed during his voyage, rather than literally giving fish a meal.
What is vomiting because of seasickness?
In KPop Demon Hunters, Rumi, Mira, and Zoey belong to this girl group that also fights demons.
What is HUNTR/X? Accept Huntrix.
A ratio table contains (4, 10), (8, 20), and (12, ___). This number completes the table.
What is 30?
This is 25 percent of 80.
What is 20?
This term names the community of microorganisms living on and in the human body.
What is the human microbiome?
Antibiotics reduce helpful gut bacteria. Explain how this might allow harmful bacteria to increase.
What is less competition for food and space? Fewer helpful bacteria compete for resources.
Plans: Reed's team needs to discover this about yellow fever so people can better prevent it.
What is what causes yellow fever and how it spreads? Accept its cause or means of transmission.
In soccer, scoring three goals in one match is called this.
What is a hat trick?
Team A has a wins-to-losses ratio of 3:2. Team B has 6:5. Are these equivalent? Explain.
What is not equivalent? Doubling 3:2 gives 6:4, not 6:5.
Store A sells 6 pencils for $1.50. Store B sells 10 for $2.00. Name the better deal and its unit price.
What is Store B at $0.20 per pencil? Store A costs $0.25 each.
Arrange these from smallest to largest: a human, a typical bacterium, a human skin cell.
What are a typical bacterium, a human skin cell, and a human?
This treatment transfers material containing microorganisms from a healthy donor's feces into a patient's gut.
What is a fecal transplant?
Going Nowhere: The team tests whether Bacillus icteroides causes yellow fever. Name the organism they look for in patients.
What is Bacillus icteroides, the suspected bacterium? Accept the suspected bacteria.
In Quidditch, the Seeker tries to catch this small winged ball.
What is the Golden Snitch?
A class has a boys-to-girls ratio of 2:3 and 30 students. Give the number of boys and girls.
What are 12 boys and 18 girls? Five parts; each part equals 6 students.
Eighteen students represent 75 percent of the class. This is the total class size.
What is 24 students? 18 divided by 0.75 equals 24.
A diagram enlarges a bacterium until it looks as big as a person. What information would let you compare their actual sizes?
What is the diagram's scale or magnification? Accept actual measurements or a scale bar.
After a fecal transplant, helpful bacteria increase and harmful bacteria decrease. Explain how competition could account for this pattern.
What is helpful bacteria using resources harmful bacteria also need, limiting harmful bacteria's growth? Accept food or space competition.
The First Clue?: Why does failing to find the suspected bacterium consistently in yellow-fever patients weaken the claim that it causes the disease?
What is the evidence does not match the claim's prediction, so the team must reconsider its explanation?
In KPop Demon Hunters, this rival boy band, led by Jinu, secretly consists of demons.
Who are the Saja Boys?