Question

Column A
1.
Chemical reaction:
Chemical reaction
2.
Endothermic reaction:
Endothermic reaction
3.
Exothermic reaction:
Exothermic reaction
4.
Photosynthesis:
Photosynthesis
5.
Product:
Product
6.
Reactant:
Reactant
7.
Respiration:
Respiration
Column B
a.element or compound produced by a chemical reaction
b.a process that transforms two different sets of chemicals into a new set of chemicals when they come in contact with one another
c.a chemical reaction that releases energy
d.process used by plants and other autotrophs to capture light energy and use it to power chemical reactions
e.element or compound that enters into a chemical reaction
f.a chemical reaction that requires an input of energy
g.process used by organisms to break down high energy carbohydrates to generate energy that can be easily used to power reactions in cells

Answer 1

Here are the matches between Column A and Column B:

1. **Chemical reaction:**
**b.** a process that transforms two different sets of chemicals into a new set of chemicals when they come in contact with one another

2. **Endothermic reaction:**
**f.** a chemical reaction that requires an input of energy

3. **Exothermic reaction:**
**c.** a chemical reaction that releases energy

4. **Photosynthesis:**
**d.** process used by plants and other autotrophs to capture light energy and use it to power chemical reactions

5. **Product:**
**a.** element or compound produced by a chemical reaction

6. **Reactant:**
**e.** element or compound that enters into a chemical reaction

7. **Respiration:**
**g.** process used by organisms to break down high energy carbohydrates to generate energy that can be easily used to power reactions in cells