| alert |
to warn or make aware. |
| birthday |
the day on which a person was born, usually celebrated each year on that date. |
| clay |
a kind of wet earth that becomes hard when you heat it. You use clay to make bricks, pots, and other things. |
| cry |
to have tears fall from your eyes as the result of pain, sadness, or another strong feeling. |
| dive |
to move down from a high place at high speed, with the head or front part first. |
| enormous |
very large in size or amount; huge. |
| escape |
to get free from something; to get away. |
| gas |
a form of matter that is neither liquid nor solid. Oxygen is an example of a gas. |
| machine |
a piece of equipment with a system of parts that work together to do or make something. |
| nest |
a structure of sticks and other material that birds make to hold their eggs. |
| reader |
a person who looks at and understands words on a page or screen. |
| skull |
the bones of the head and face that protect the brain. |
| suppose |
to assume to be true in order to make clear or to explain. |
| tray |
a flat, open piece of wood, metal, plastic, or some other material, used to carry, hold, or show food, drink, or small things. It often has a low edge. |
| usual |
most common; normal. |