a special mixture formed when a material dissolves in a liquid (water)
What is a solution?
100
Give the definition of saturated
What is when a solute dissolves in a solvent until no more will dissolve?
100
What are the properties we use in science to make an observation
What is color, size, shape, texture?
100
Is a process in which one material disperses uniformly into another material , so that the first material seems to disappear
What is Dissolving?
200
How can mixtures be separated
What is a filter (screen or coffee filter)?
200
Give some example of a solution
What is salt and water, tea and sugar, sugar and water, chocolate syrup and milk?
200
How do you know that you have a saturated solution
What is solid material remains on the bottom or floating in the liquid?
200
How can crystals be identified
What is by its properties (shape, color and pattern)?
200
Is the liquid of the solution
What is solvent?
300
Give examples of a mixture
What is gravel and water, powder and water, gravel and powder, cereal and milk?
300
How do you know when a liquid and solid has formed a solution
What is the solid has dissolved into the liquid and the solid seems to disappear?
300
Explain how do you determine the mass of a saturated solution
What is find out how much 50 ml of water weighs in gram, then add the saturated solution to one side of the balance and add gram pieces until even?
300
How can you tell a chemical reaction has taken place
What is chemical reaction has occurred when gas bubbles, a solid forms, or a new material (precipitate) formed when two liquids are mixed?
300
A new chemical forms and settles out of a liquid
What is precipitate?
400
How do you separate a dry material of gravel, salt and powder
What is use a screen for the gravel, use a coffee filter for the powder, and use evaporation for the salt?
400
You have made a solution of saltwater. How can the salt be removed from the water
What is evaporation?
400
A saturated solution could hold more solid by doing what to the solution
What is heat it up or add more liquid?
400
Difference between a mixture and solution
What is mixtures separated using a filter and solutions are separated using evaporation?
400
When two chemicals react when they are mixed
What is reactants?
500
How are screens and filters alike
How are screens and filter different
What is they both separate materials.
What is the size of the holes. The coffee filters are smaller and the screen has bigger holes.
500
If we added 5 spoon of salt with each spoon being 4 grams. Complete the equation below
Mass of 50 mL of water ______ grams
Mass of solid material ________grams
Mass of the saturated solution _______ grams
What is Mass of 50 mL of water ___50___ grams
Mass of solid material ____20____grams
Mass of the saturated solution ___30____ grams
500
The difference between a concentrated and dilute solution
What is a concentrated solution is the amount of material dissolved in a measure amount of liquid. Dilute is to make a solution less concentrated, usually by adding more liquid?
500
The gas that is formed when baking soda and citrus acid mixed together
What is carbon dioxide?
500
Is the three dimensional space occupied by something