| A | B |
|---|
| accurate | To be exact. |
| balance | To make it equal. |
| balance scale | A tool to use for weighing. |
| centimeter | a unit of measurement on a ruler. |
| observations | to look at something carefully. |
| prediction | to make a good guess |
| thermometer | A tool used to measure temperature. |
| ruler | A tool to measure length. |
| triangle | A shape with three angles. |
| tools | Help us to do work. |
| classify | to put things together by how they are similar or different. |
| riddles | Clues given to figure out a problem. |
