For example mecury in a thermometer.
You can observe the color, clarity, viscosity, and odor of the orange liquid without changing it. Use a ruler to measure its height or depth, note its temperature, and observe how it flows when poured. You can also use a hydrometer to measure its density or a pH strip to test its acidity.
A neon sign is an everyday example of colorful light emissions. The gases inside the tubes of a neon sign emit light of different colors when an electrical current passes through them, creating vibrant and eye-catching displays.
A change in temperature or pressure can often be a clue to the transformation of matter from one state to another. For example, melting ice into water is a change from solid to liquid state due to an increase in temperature.
You would observe effervescence (bubbling) due to the release of carbon dioxide gas. The reaction produces sodium chloride, water, and carbon dioxide.
Chemical Change - Someone toasting bread until it is crisp. (Or just cooking in general, but does not apply to all types of food)Physical Change - Someone pouring one of those Crystal Lights into water.
To Observe
Desceibe some of the general patterns you observe for temperature and salinity
he observe the theory cells on microscope!
I want to observe the behavior of humpback whales.
You observe the people there and see what they are like. Here is a link to help you learn how to describe people better.
Van Leeuwenhoek
A microscope can be used to observe the behavior of a water drop by magnifying the drop and allowing you to see details such as its movement, shape, and interactions with surfaces. This can help in studying properties like surface tension, adhesion, and evaporation of the water drop.
An example of quantitative data: A man is stocking a lemonade stand. He has 40 lemons. They are 5 inches tall. This is quantitative data, using numbers to describe an object whilst QUALITATIVE data is when you OBSERVE, such as: The lemons are yellow and bumpy. They are also sour.
Some what bumpy, probably to make things go through easier.
what method would you use to observe,measure and describe the physical propertie of the orange liquid without chang it ?ing
Variables work by telling you what you need to change, what to observe, and what to keep the same in a experiment.
Qualitative comes from quality so you would for example observe features or the quality of the object. Quantitative comes from quantity so you describe the object using the metric system. ex. 5 inch. wide