Dissolving: Making Solutions

What You'll Learn

Endothermic reactions absorb heat from surroundings, making things feel cold. Exothermic reactions release heat, like combustion. Both types of reactions are essential in nature.

Key Words

molecule
density
mass

Steps

Step 1 — Read

Read and learn: Endothermic reactions absorb heat from surroundings, making things feel cold. Exothermic reactions release heat, like combustion. Both types of reactions are essential in nature.

Step 2 — Do

Repeat the experiment two more times for accuracy.

Step 3 — Observe

Observe what happens and describe it in detail.

Step 4 — Record

Record your observations in your science journal.

Check Your Understanding

Question 1

1 of 3

What is a solvent?