Solve these clues to fill the grid.
- Rock that in its molten form issues from volcanos
- 4 Across
- A measuring instrument for detecting and measuring the intensity and direction and duration
- 6 Across
- United States baseball player
- 8 Across
- To pay close attention to one thing
- 10 Across
- Mountain that erupts with lava
- 11 Across
- A protective covering or structure
- 13 Across
- Hard outer layer of the Earth or of bread
- 15 Across
- A hole for the escape of gas or air
- 16 Across
- Dish on which food is served or from which food is eaten (plural)
- 1 Down
- A hard malleable ductile silvery metallic element that is resistant to corrosion
- 2 Down
- Molten rock in the earth's crust
- 3 Down
- One of the large landmasses of the earth (plural)
- 5 Down
- A crack in the earth's crust resulting from the displacement of one side with respect to the other
- 7 Down
- State of matter with a fixed shape
- 9 Down
- State of matter that flows like water
- 12 Down
- Strong metal used to make tools and nails
- 14 Down