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by BlastRoom
See how human activities change the air, water, and habitat in a place, and how people repair them.
#human_impact#us_grade_3_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 factory in Rivertown sends thick smoke into the air all day long. What does the smoke do to the air there?
People sometimes add harmful material to the air, the water, or the land. What is that harmful material called?
Bags and bottles left along a beach lower the habitat quality for the animals living there.
Oil drips from cars onto a parking lot in Ashville, and rain washes it into a stream. What does the oil do to the stream?
A builder clears a woodlot in Maple Ridge and paves it for a parking lot. What happens to the birds that nested in those trees?
Workers put a silt fence around a bare building site next to Clear Pond. What does the fence do for the pond?
A town builds a fish ladder beside a dam on the Elk River. What does the fish ladder do for the fish?
Volunteers plant grasses and shrubs along a bare riverbank in Oak Bend. What does that do to the river?
A factory puts filters on its smokestacks before the smoke leaves. What happens to the air in the town nearby?
A wetland was drained years ago for a field, and now people let the water fill it again. What happens to the frogs and wading birds?
A city digs up an old paved lot and plants trees and grass to make a park. What does the park give the birds and insects?
Every change that people make to an ecosystem harms the living things in it.
A new highway is built straight through Pine Forest and splits it into two halves. What happens to the deer that live there?
Fertilizer washes off a farm into Still Pond, and thick green algae spreads over the top of the water. What happens to the plants on the pond bottom?
Rivertown paves a big field, so rain now runs off it instead of soaking into the ground. What happens to the creek after a heavy rain?
A neighborhood puts a screen over each storm drain to catch litter before the water reaches the bay. What does that do to the bay?
Salamanders in Green Valley cross a busy road each spring to reach their pond. The town digs a small tunnel under the road for them. What happens next spring?
Cars and buses sit with their engines running in a long line outside Hill School each afternoon. What does the exhaust do near the school?
A town cleans its used water at a treatment plant before sending it back to the river. What happens to the fish downstream?
A truck spills motor oil into Duck Pond, and a thin film spreads over the water. What happens to the ducks swimming there?
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.
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Living and Nonliving in an Ecosystem
20 questions
