Scientific Investigation
A step by step process used by scientists to solve problems.
What is Scientific Method?
A homogeneous mixture of two or more substances.
What is solution?
The substance that gets dissolved.
What is a solute?
The amount of solute present in a solution.
What is concentration?
Ana dissolved 1 spoonful of juice powder in 1 glass of water. Alex dissolved 2 spoonfuls in 1 glass of water. Whose solution is more concentrated?
Alex's Solution
A list of tools and equipment to be used in the investigation.
What is Materials?
Salt dissolved in water is an example of this.
What is a solution?
The substance that dissolves the solute.
What is a solvent?
A solution with a small amount of solute.
What is a dilute solution?
A student mixed salt and water. If all the water evaporates, which component disappears first?
Water (the solvent).
The Variable that is intentionally changed by the researcher.
What is independent variable?
The process by which a solute mixes evenly with a solvent.
What is dissolving?
In saltwater, salt is the ______.
What is the solute?
A solution with a large amount of solute.
What is a concentrated solution?
In a solution, which component is usually present in the smaller amount?
Solute
The variable that is measured during an experiment.
What is dependent variable?
This substance is often called the universal solvent.
What is water?
In saltwater, water is the ______.
What is the solvent?
Adding more water to juice makes it become this.
What is more dilute?
Two glasses contain the same amount of water. One has 2 teaspoons of sugar and the other has 4 teaspoons. Which one is unsaturated?
The one with 2 teaspoons of sugar.
The term which refers to an accidental discovery in science.
What is Serendipity?
Coffee, air, and vinegar are all examples of this type of mixture.
What are solutions?
These are the two components of a solution.
What are solute and solvent?
This process lowers concentration by adding more solvent.
What is dilution?
Glass A contains 3 teaspoons of salt in 1 cup of water. Glass B contains 3 teaspoons of salt in ½ cup of water. Which glass is more concentrated?
Glass B