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by BlastRoom
Track where a plant's mass comes from and where an animal's energy goes.
#us_grade_7_science
20 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
A bean plant grows in a pot with water, air, light, and a small amount of soil minerals. What supplies most atoms in its new sugars?
A pumpkin gains 2 kg while the soil mass changes very little. Where did most of the pumpkin's added carbon atoms come from?
Algae in a pond make glucose during daylight. What matter must enter the algal cells to build glucose molecules?
A leaf makes glucose, then the plant uses some glucose to build cellulose in its stem. What happens to the glucose atoms?
A cow eats grass and grows new muscle. What matter source supplies many atoms in the cow's new body tissue?
A mushroom grows on a fallen log. What matter source supplies atoms for much of the mushroom's new mass?
Grass grows, a rabbit eats the grass, and a hawk eats the rabbit. How do matter and energy usually move in this system?
Compost worms eat dead leaves, and plants later use materials from the soil. What cycles back to plants in this example?
In a terrarium, plants, snails, and decomposers reuse atoms for months, but the lamp must stay on. What does this show?
A mouse eats seeds and releases body heat while it moves. What happened to some energy stored in the seed molecules?
In a forest, leaves fall and decay while sunlight keeps arriving. Why is sunlight needed again each day?
A leaf cell makes glucose in sunlight, and a root cell later uses glucose with oxygen. How are these two processes connected?
Elodea plants in bright light produce bubbles. A test shows the bubbles contain oxygen. What process is the plant doing?
During exercise, a person's muscle cells use more glucose and oxygen. What product increases as cellular respiration speeds up?
A plant kept in darkness for several days uses stored starch. Why can its cells still release energy for a while?
In a sealed jar, a plant in light takes in carbon dioxide and releases oxygen. At night, carbon dioxide rises. What explains the change at night?
A caterpillar eats 10 g of leaves but gains only 2 g of body mass. Where can some atoms from the leaves go?
A fish eats food pellets and gives off carbon dioxide through its gills. What does the carbon dioxide contain?
A person loses mass during a long run even without sweating much. Besides water loss, how can matter leave the body?
Bacteria decompose a dead leaf, and the leaf's mass decreases. What best accounts for the missing leaf matter?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.
Biotic and Abiotic Factors
20 questions
