From Space, a Global View of Autumn's Changing Leaves
In the app: the whole story at your level, listening, the quiz and the word cards.
The same story at six levels
How the first sentence reads at every level, from A1 to C2.
- A1
NASA watches leaf colors from space.
- A2
NASA watches autumn leaf colors from space.
- B1
The US space agency, NASA, operates the Plankton, Aerosol, Cloud, ocean Ecosystem satellite.
- B2
NASA's Plankton, Aerosol, Cloud, ocean Ecosystem satellite is known as PACE.
- C1
When daylight shortens and temperatures drop in autumn, plants stop producing chlorophylls, the unstable green molecules they need to make food.
- C2
When daylight shortens and temperatures drop in autumn, plants stop producing chlorophylls, the unstable green molecules they need to make food.
Key words
Words from the B1 text, with their meaning.
- pigment
- a natural substance that gives colour to plants or animals
- observe
- to watch something carefully to learn more about it
- spot
- to see or notice something, especially when it is difficult to see
- capture
- to record or take in light, pictures, or data using a machine
- substance
- a particular type of solid, liquid, or gas
- peak
- at the highest, strongest, or best level
Rewritten with AI from facts reported by NASA Earth Observatory. Read the original for the full report.