Earth, Atmosphere & Resources
T
Greenhouse Effect, Climate Change and Crude Oil
Push a bit harder. Apply what you know to less familiar problems.
Combined Science · Medium
5
questions · ~4 min · 3 hints each (−5 pts)
Confidence tracking, 3-tier hints and instant feedback.
What you'll learn
Each question helps you build key knowledge and skills.
- 1Human activities like burning fossil fuels and deforestation increase greenhouse gases and enhance the greenhouse effect.
- 2Climate change evidence includes rising global temperatures, melting ice caps and rising sea levels.
- 3A carbon footprint is the total greenhouse gases released by an activity, product or person, and can be reduced by using less energy and more renewables.
- 4Crude oil is a mixture of hydrocarbons separated by fractional distillation, producing fractions with different uses based on chain length.
Question mix
A mix of question types to build your skills.
- Multiple choice×1
- Short answer×3
- True / False×1
Different question types help you think in different ways.
How it works
A simple 3-step process
- 1
Rate your confidence
Tell us how sure you feel before answering. It helps us understand your starting point.
- 2
Use hints if stuck
Get up to 3 helpful hints per question. Each hint costs 5 Treasure Points.
- 3
See what went wrong
Get instant feedback with clear explanations, so you can learn and improve.
Ready when you are
This takes about 4 minutes.

