Biology
The smallest unit of a living organism is
a cell.
What is a crystal?
A solid with a repeating atomic structure.
What happens to sugar as it cools?
It solidifies into crystals.
Why do flamingos use their beaks and feet to stir the water when they're feeding?
to create whirlpools that trap their prey
What is a burn?
A burn is when you fire a spacecrafts engine to change the vehicles speed and flight path
Which of the following BEST describes the relationship between real-life sea stars and sponges?
a. Mutualism: two species benefit from living close together
b. Predator-prey: One species eats the other
c. Competition: Two species compete for the same food source
d. Parasitism: One species lives in or on another organism causing harm to its host.
b. Predator -prey: one species eats the other
What scale is used to measure a mineral's ability to resist scratching?
a. the Logatrithmic Scale
b. the Scoville Scale
c. the Saffire-Simpson scale
d. the Mohs scale
d. the Mohs scale
What is collagen?
Collagen is a protein found in the connective tissue of animals.
Between January 2023 and July 2025, what was the highest price of cocoa per metric ton?
$12,000
What does ISS stand for?
International Space Station
Why are copepods like plankton are extremely necessary in the ocean ecosystem?
a. plankton drift with ocean currents
b. plankton are aquatic organisms that live in water.
c. plankton are incredibly tiny
d. plankton are a primary food source for almost all sea
plankton are a primary food source for almost all sea creatures
This is a naturally occurring solid substance with a specific chemical composition and structure.
Minerals
What did Marie Daly discover about cholesterol?
It can clog arteries, leading to heart attacks
A small amount of this compound is added to the water supply in many communities to help prevent cavities.
Fluoride
What is the main goal of NASA's Artemis II?
to fly around the moon.
What do you call a group of marine animals with squishy bodies and long arms?
Cephalopods
Name 3 physical properties of minerals.
luster, streak, and hardness
In "Marshmallow Madness", marshmallows puff mainly because:
Air bubbles expand when heated
How do scientists at California Cultured make lab-grown chocolate?
a. They grow and multiply cells from the cacao bean in a vat before processing them into cocoa.
b. They grow cacao beans indoors under artificial lights and turn the beans into cocoa.
c. They mix water and cocoa in a special container so that crystals of chocolate start to form.
d. They combine cells from cacao beans with discarded chocolate bars to create cocoa.
a. They grow and multiply cells from the cacao bean in a vat before processing them into cocoa.
How many years ago did Mae Jemison travel to space?
34 years ago
Sponges filter feed. How does this help keep the environment clean?
When they pump water through their bodies and filter out food to eat, they remove pollution from the water.
Name 3 the continents where the marsh mallow plant grows.
Europe
Western Asia
northern Africa
Marsh mallow plants produce a substance called mucilage. Why was this substance useful in medicines made from the plants?
It coats and soothes inflamed tissue
Describe 2 things climbers of Mount Everest do to prepare for the climb?
inhale a low dose of oxygen mixed with xenon
spend time in tents with low oxygen levels inside
Which of the following is TRUE about the Orion spacecraft's planned flight for Artemis II?
a. The craft will travel in a straight line from Earth to the Moon.
b. The craft will splash down in the Atlantic Ocean after the flight is complete.
c. The planned flight will cover less than 2,000 kilometers.
d. The planned flight is expected to last 10 days.
d. The planned flight is expected to last 10 days.