Question

1. a chloroplast stores _______________.
2. _______________ gives plants the green color.
3. food molecules enter the cell by passing through the _______________.
4. the _______________ is the smallest, most basic unit of life.
5. the control center or brain of the cell is the _______________.
6. the _______________ in the nucleus controls many of the characteristics of living things.
7. food molecules, water and waste are stored in the _______________.
8. the force that holds atoms together is a _______________.
9. the _______________ helps the cell to store and use energy.
10. matter that is made of only one kind of atom is an _______________.
11. when two or more atoms are joined together they form a _______________.
12. the watery substance in a cell is the _______________.

Explanation:

1. Chloroplasts are organelles in plant cells that store chlorophyll and are involved in photosynthesis.
2. Chlorophyll is the pigment that gives plants their green color.
3. The cell membrane controls the movement of substances into and out of the cell.
4. The cell is the basic unit of life.
5. The nucleus contains the cell's genetic material and controls its activities.
6. DNA (Deoxyribonucleic acid) in the nucleus contains the instructions for the characteristics of living things.
7. Vacuoles store food, water, and waste in a cell.
8. A chemical bond is the force that holds atoms together.
9. Mitochondria are the powerhouses of the cell, helping to store and use energy.
10. An element is matter made of only one kind of atom.
11. A molecule is formed when two or more atoms are joined together.
12. Cytoplasm is the watery substance inside a cell.

Answer:

1. chlorophyll
2. Chlorophyll
3. cell membrane
4. cell
5. nucleus
6. DNA
7. vacuole
8. chemical bond
9. mitochondria
10. element
11. molecule
12. cytoplasm