SCIENCE & NATURE
What essential gas for human breathing do plants release into the atmosphere during photosynthesis?
Oxygen
What main physical input device with letter and number keys is used to type text into a computer?
Keyboard
What simple machine consists of a flat, sloped surface used to raise heavy objects with less effort, such as a ramp?
Inclined plane (Ramp)
What is the perimeter of a square school garden that measures 5 meters on each of its four sides?
20 meters (5 x 4)
What marine mammal is the largest animal ever known to have lived on Earth?
Blue whale
What are the three fundamental states of matter commonly found in nature?
Solid, liquid, and gas
According to Colombia's unified recycling color code, in which color bin should clean paper, cardboard, plastic, and glass be placed?
White bin
Which 3-sided geometric shape is the most rigid and stable, making it widely used in building bridges and towers?
Triangle
What is the area in square meters of a rectangular classroom measuring 8 meters in length and 6 meters in width?
48 square meters (8 x 6)
What object gets wetter and wetter the more it dries things?
A towel
In the water cycle, what is the process where liquid water heats up from the sun and rises as vapor into the atmosphere?
Evaporation
What type of renewable energy uses the power of the wind to spin turbines and produce electricity?
Wind energy
What invisible force pulls objects toward the center of the Earth and causes dropped items to fall to the ground?
Gravity
If preparing juice for 4 students requires 2 liters of water, how many liters of water are needed to prepare juice for 10 students?
5 liters of water
What tiny, fast-flapping bird species—abundant in Colombia—is the only bird capable of flying backwards?
Hummingbird
In a food chain, what group of organisms (like mushrooms and bacteria) breaks down dead plant and animal matter into soil nutrients?
Decomposers
What technological device uses photovoltaic cells to convert sunlight directly into clean electricity?
Solar panel
What simple machine consists of a grooved wheel and a rope, used to lift heavy loads by changing the direction of the force?
Pulley
If we simplify the fraction 18/24 by dividing the numerator and denominator by 6, what is the simplest equivalent fraction?
3/4
Which planet in our solar system is nicknamed the 'Red Planet' due to the iron oxide on its surface?
Mars
What high-mountain ecosystem, famous for its frailejón plants, produces most of the fresh water consumed in Bogotá?
Paramo (e.g., Chingaza or Sumapaz)
What do the '3 Rs' of environmental education stand for to help reduce waste and protect the planet?
Reduce, Reuse, and Recycle
A playground seesaw is a real-world example of which simple machine that pivots on a fixed point called a fulcrum?
Lever
A school field trip leaves at 2:45 PM and returns at 5:15 PM. How many total minutes did the trip take?
150 minutes (2 hours and 30 minutes)
If 3 cats catch 3 mice in 3 minutes, how many minutes does it take 100 cats to catch 100 mice at the same rate?
3 minutes (each cat takes 3 minutes per mouse)