Science Flashcards
Name: ______________________ Date: ____________
Write the letter of the matching definition next to each term.
1. acid
A. A heavy odorless colorless gas formed during respiration and by the decomposition of organic
2. base
B. State of matter that fills any space, like air
3. carbon dioxide
C. Used with water to wash
4. oxygen
D. Colorful blooms that grow on plants
5. bubbles
E. An effervescent beverage
6. soap
F. State of matter that flows like water (plural)
7. vinegar
G. A hollow globule of gas (plural)
8. baking soda
H. Any of various water-soluble compounds having a sour taste and capable of turning litmus red
9. detergent
I. The usually underground organ that lacks buds or leaves or nodes (plural)
10. roots
J. Sour-tasting liquid produced usually by oxidation of the alcohol in wine or cider and used as
11. stem
K. A white soluble compound used in effervescent drinks and in ___ powders and as an antacid
12. flowers
L. Gas in the air that we need to breathe
13. water
M. Bottom part something stands on; a safe spot in baseball
14. alkali
N. To take in, also metaphorically
15. fizz
O. The simplest structural unit of an element or compound (plural)
16. gas
P. Any of various water-soluble compounds capable of turning litmus blue and reacting with an acid
17. reaction
Q. A process in which one or more substances are changed into others
18. absorb
R. Clear liquid we drink that falls as rain
19. liquids
S. State of matter with a fixed shape (plural)
20. solids
T. A surface-active chemical widely used in industry and laundering
21. molecules
U. A slender or elongated structure that supports a plant or fungus or a plant part or plant organ