by BlastRoom
Students use design test data to choose and compare engineering solutions.
#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 filter must remove at least 90% of dye and cost under $3. Use the table. Which prototype should the team choose?

A cooler must keep water below 12 degrees Celsius after 2 hours and weigh under 500 g. A: 10°C, 620 g; B: 11°C, 470 g; C: 14°C, 430 g. Choose the best design.
A bridge must hold at least 30 kg and use under 80 cm of tape. Use the table. Which bridge best meets the criteria?

A paper airplane must travel 12+ m and land within 2 m of center. A: 15 m, 4 m off; B: 13 m, 1 m off; C: 9 m, 1 m off. Which works best?
A rain shelter must leak less than 5 mL and set up in under 60 s. Use the table. Which design should be chosen?

A solar oven should reach at least 70°C and cost under $5. Oven A: 68°C, $3; B: 72°C, $6; C: 71°C, $4.50. Which oven should be selected?
A cart must roll at least 4 m and carry 2 kg without tipping. Use the table. Which cart best satisfies the test goals?

A phone stand must hold 700 g and fold to 2 cm or thinner. Stand A: 800 g, 3 cm; B: 680 g, 1 cm; C: 720 g, 2 cm. Which stand meets both?
Use the table for three straw towers tested in the same fan. Which comparison is supported?

Three package pads were drop-tested. Foam: 1 cracked tile, 40 g; cardboard: 3 cracks, 20 g; cloth: 1 crack, 55 g. Which comparison matches the results?
Use the table of boat prototypes tested with equal loads. Which similarity and difference are shown?

Three glues were tested. Glue P held 18 kg and dried in 30 min; Q held 18 kg, 50 min; R held 12 kg, 20 min. Which comparison fits?
Use the bar graph of ramp tests. Which statement accurately compares the designs?

Three bottle rockets were tested. Rocket A rose 18 m and drifted 6 m, B rose 18 m and drifted 2 m, and C rose 12 m and drifted 2 m. Which comparison is supported?
A backpack strap must score at least 4 for comfort and hold at least 25 kg. Use the table of strap tests. Which claim is best supported by the data?

A team tested garden barriers. Mesh lost 6 plants, plastic lost 2 plants, and metal lost 2 plants. Which claim does the evidence support?
Use the table showing sponge mop tests. Which claim is supported?

A class tested three lunch containers for leaks. Container A leaked 0 mL, B leaked 8 mL, and C leaked 15 mL in the same shake test. What claim is supported?
Use the table from a helmet liner test. Which claim is supported by the data?

Three window covers were tested. Cover A reduced temperature by 4°C and cost $2; B reduced it by 7°C and cost $6; C reduced it by 6°C and cost $3. Which claim fits?
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.
Speed, Velocity and Displacement
20 questions