Across
- 2. A separation method for heterogeneous mixtures that uses a mesh or sifter and relies exclusively on the size of the holes to separate solids from solids of different sizes.
- 3. These essential biomolecules act as the primary source of quick energy for an athlete's body before they begin to deplete their reserves.
- 7. The chemical element that has valence electrons and bonds covalently with carbon to form a stable molecule of carbon dioxide.
Down
- 1. The group of biomolecules that serve as long-term energy storage and form a thermal insulating layer under the skin of animals like polar bears.
- 4. The exact number of visible phases present in a homogeneous mixture (such as filtered black coffee or a completely dissolved saltwater solution).
- 5. The component of wine that has a boiling point of $78^\circ\text{C}$ and evaporates first during a simple distillation before passing through the condenser.
- 6. In a scientific experiment, it is the explanatory variable manipulated by the researcher to observe if it causes a change in the dependent variable.