Stem Flashcard 2

Front

Roses double daily (skip Sundays), lilies triple daily, tulips grow by 5 per day. Start with 1 each on Friday. When do lilies outnumber roses + tulips?

Back

Day 4 (Monday)

Front

If you were creating a new eco-friendly transportation device for your city, which combination would be most efficient? Options: Solar panels and batteries, Wind power and elastic energy, Kinetic energy recovery and hydrogen fuel, Magnetic levitation and compressed air

Back

Solar panels and batteries

Front

You notice that a local pond has fewer frogs than last year. Which combination of factors would you investigate first? Temperature changes and food availability, Water pH levels and new predators, Human activity and rainfall amounts, Disease presence and water pollution

Back

Disease presence and water pollution

Front

If humans developed the ability to photosynthesize like plants, which physical adaptation would be MOST necessary? Options: Transparent skin, Larger surface area of the body, New digestive organs, Modified lung structure

Back

Larger surface area of the body

Front

You're designing a Robot that can survive in both very hot and very cold environments. Which combination of features would work best? Options: Thick fur and sweating ability, Color-changing skin and adjustable metabolism, Hibernation capability and water storage, Multiple layers of scales and internal temperature control

Back

Multiple layers of scales and internal temperature control

Front

Which organelle in a plant cell is responsible for capturing sunlight and converting it into energy?

Back

Chloroplast

Front

What property of triangles makes them so strong in construction?

Back

They evenly distribute weight

Front

A square has a perimeter of 48 cm. What is the area of the square?

Back

144 cm²

Front

If you push an object with twice the force, what happens to its acceleration (assuming mass stays the same)?

Back

It doubles

Front

If you're designing a roller coaster, where should you place the loop for maximum safety and excitement? Options: At the very beginning, After the first big drop, Near the end, In the middle of two hills

Back

After the first big drop