| bubble |
a ball of air or other gas inside another substance. |
| chemical |
a substance used in or made by a chemical process. |
| continue |
to keep happening or being; to last for a long time. |
| fear |
a strong feeling you get when you expect danger or pain. |
| material |
anything used for building or making new things. Wood, metal, paint, and paper are examples of materials. |
| middle |
halfway between two things, places, or points. |
| outstanding |
better than most others; excellent. |
| painter |
one who paints pictures. |
| pat1 |
a light tap or stroke with the open hand or a flat object. |
| provide |
to give (what is needed); supply. |
| rise |
to move up in direction. |
| spill |
to cause to flow or fall from a container. |
| street |
a public road in a town or city. |
| swim |
to move through water by moving parts of the body. |
| test |
an examination or experiment to find out what something is, what it is made up of, or how good it is. |