| buzz |
a low noise caused by something moving fast. |
| each |
every one of two or more things. |
| energy |
the ability to have force or power or to do work. There are many kinds of energy such as physical, electrical, nuclear, or chemical. |
| envelope |
a folded paper covering for a letter or other papers you mail. You write the address and put a stamp on an envelope before you mail it. |
| giant |
an imaginary being who looks like a person but has enormous size and strength. |
| kit |
a group of things together in one place for a particular use. |
| lesson |
a period of instruction with a teacher, or a specific group of things to be learned or studied together. |
| mainly |
for the most part; mostly. |
| music |
pleasant sounds made by voices or instruments. |
| pat1 |
a light tap or stroke with the open hand or a flat object. |
| present1 |
the period of time between the past and future. |
| recycle |
to put used things through a process that allows them to be used again. |
| sap |
the liquid that carries nutrients and water to all parts of a plant. |
| shell |
a hard outer covering that an animal, especially a sea animal, has made to protect itself. |
| system |
a group of things or parts that work together as a whole. |