1. Exploring Space with an Astronaut
Vocabulary and Amazing Words
Second Grade

2. Vocabulary Words
astronaut
shuttle
experiment
telescope
gravity

3. Amazing Words
ascend
descend
orbit
universe
journey
launch
meteorite

4. astronaut
A person who has been trained to fly a spaceship

5. shuttle
A spacecraft with wings, which can orbit the Earth, land like an airplane, and be used again

6. experiment
A test to find out something

7. telescope
Something you look through to make things far away seem nearer and larger

8. gravity
The natural force that causes objects to move toward the center of the Earth

9. ascend
To go up

10. descend
To go down

11. orbit
The path of something like a spacecraft or planet around something in space, such as Earth or the sun

12. universe
Made up of Earth, the sun, the moon, and all the other planets and stars in the sky

13. journey
A long trip

14. launch
Getting something started or going

15. meteorite
A piece of stone from space that hits something