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by BlastRoom
Students explain orbital motion and identify Earth conditions that support life.
#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.
The Moon keeps curving around Earth instead of flying straight into space. Which explanation fits the motion?
A satellite is launched sideways fast enough above Earth. What keeps changing the satellite's direction into an orbit?
If the Sun's gravity suddenly stopped pulling on a moving planet, what path would the planet follow at that moment?
A comet speeds up as it nears the Sun and curves around it. What force best explains the curved path?
Earth does not fall straight into the Sun even though the Sun pulls on it. What two factors create Earth's orbit?
An asteroid circles the Sun between Mars and Jupiter for many years. What keeps it from moving off in a straight line?
A small moon orbits a giant planet. Why does the moon keep curving toward the planet instead of traveling straight ahead?
Two probes have the same mass. Probe A is near a planet, and Probe B is much farther away. Which probe feels stronger gravity?
Two planets are the same distance from a spacecraft. Planet X has twice Planet Y's mass. Which planet pulls harder on the spacecraft?
An astronaut is the same distance from the centers of two moons. Moon A has more mass than Moon B. Where is gravity stronger?
A rock is 10,000 km from a planet, then moves to 20,000 km from the same planet. How does the planet's pull change?
A rover finds a world with surface ice but no liquid water. Why would liquid water be important for many living things?
Earth is wrapped in a thin layer of air. How does this atmosphere help make Earth habitable?
On Earth, most surface places stay within a temperature range where water can be liquid. Why does that matter for life?
Earth's gravity is strong enough to hold onto something that small moons often lose. Which life-supporting feature does this help Earth keep?
Compared with a planet drifting without a star, Earth receives steady sunlight from the Sun. Why is that useful for life?
Earth's atmosphere includes ozone high above the surface. What habitability benefit comes from this layer?
A planet orbits so close to its star that surface water would boil away. What condition for habitability is missing?
A planet orbits far beyond its star's habitable zone, and sunlight is very weak. What would most likely happen to surface water?
A planet's stretched orbit carries it near its star, then far away. Why could this make life at the surface difficult?
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.
The Solar System
40 questions
