What is matter?
Anything that has mass and takes up space.
What is mass?
The amount of matter in an object.
What is a mixture?
A mix of 2 or more things where there is no chemical change. Does not form a new substance.
What is a solution?
A special mixture where particles are evenly mixed.
What is a conductor?
Which state of matter has a definite volume, but no definite shape?
Liquid.
What are physical properties?
Observable, testable, and measurable characteristics.
How could I separate sand and paperclips?
Use a magnet.
Evaporation or distillation.
What is an insulator?
Something that blocks energy from passing through.
What degree Celsius is melting point?
What degree Celsius is freezing point?
What is a solvent?
what does the dissolving.
What is a solute?
One lets electrical energy flow and one lets thermal energy flow.
More dense.
If a piece of foam floats in water, is it more or less dense than water?
What is solubility?
The ability to dissolve.
What is the difference between dilute and concentrated?
Dilute is a weaker solution and concentrated is a stronger solution.
Give an example of a electrical insulator.
ex;
plastic, stick, cardboard, foam, rock, rubberband, yarn
Describe the physical properties of Oil.
Need at least 5 correct
yellow, liquid, sticky, oily, less dense than water. Not soluble.
Describe the physical properties of salt.
Need at least 5 correct.
White, powder, salty taste, no strong smell, soluble, not magnetic.
How can I speed up the process of dissolving?
Need 2 ways.
1. Stirring
2. Add heat.
How could I separate sand and salt water.
Need multiple steps.
1. filter sand from solution
2. evaporate water from salt water
Give an example of a thermal conductor?
metal, glass, ceramic.