Science Explained Simply
Physics, Chemistry, Biology, and more
105 explanations
What are quantum physics?
Quantum physics is the science of how the tiniest things in nature, like atoms and electrons, behave. Think of LEGO...
Why is renewable energy clean?
Renewable energy is clean because it doesn't pollute the air or water like burning fossil fuels does. Imagine you have...
What causes turbulence?
Turbulence happens when air moves in a messy, uneven way, like invisible bumps in the sky. Air is usually smooth, but...
How does nuclear power work?
Nuclear power works by using the heat from splitting atoms to boil water and make electricity. Imagine you have a...
What is the big difference between soap and shampoo?
Soap is for cleaning your skin, and shampoo is for cleaning your hair. Soap helps wash off dirt, sweat, and germs from...
force
In elementary physics, a force is simply a push or a pull on an object that makes it move, stop, or change direction...
pearsons coefficient
Pearson's coefficient is a special number between -1 and 1 that tells us how closely two things change together in...
Why is -40c the same as -40f
Minus 40 degrees Celsius is the exact same temperature as minus 40 degrees Fahrenheit because the two temperature...
λ = 1
In geology, λ = 1 means that water trapped deep underground is pushing upward with the exact same amount of force as...
If iron is in our blood, why is blood red instead of metallic silver?
Blood is red instead of metallic silver because the iron inside it is chemically bonded with oxygen, just like...
Why does evolution happen?
Evolution happens because living things with helpful traits are more likely to survive, have babies, and pass those...
how to work out growth or speed rates
To find a growth rate or speed rate in NCEA Level 2 Maths, you use a tool called calculus differentiation to find the...
metalogic
In cooking, metalogic is like studying how cookbooks are written and whether recipes actually make sense, rather than...
Why is it so much harder to put on clothes when your skin is wet?
Clothes are much harder to put on when your skin is wet because water acts like a temporary glue that makes the fabric...
How does electricity work?
Electricity is the invisible energy created when tiny, energetic particles called electrons jump from one atom to...
Does a photon have a physical size?
No, a photon does not have a physical size in the way everyday objects do; it is a point particle with zero width...
Why does driving just a little faster use significantly more fuel?
Driving just a little faster uses significantly more fuel because the air pushing against your car fights back much...
What does a fabric's Q-Max score actually measure?
A fabric's Q-Max score measures how much warmth it steals from your skin the very second you touch it, telling you how...
How do activated charcoal filters remove odors?
Activated charcoal filters remove bad smells by trapping stinky odor particles on their surface like sticky flypaper...
How does soap actually kill germs?
Soap kills germs by ripping their outer protective skin apart and washing the broken pieces away down the drain...