Explain how burning a candle is an example of both physical and chemical changes.

Liquids have a definite volume when poured into a container. What does this mean? The mass of a liquid changes when it is poured into a new container. The volume of a liquid does not change when it is poured into a new container.

How does a large body of water, such as the ocean, influence climate?

At chemical equilibrium the amount of blank because

Which of the following describe chemical properties? Sugar burns in air to form water and carbon dioxide Water freezes Titanium is less dense than iron Iodine (a purple solid) becomes a purple gas

There is no difference between the question and hypothesis steps of scientific inquiry true or false

Marissa is learning about the unique properties of waves. She has learned that whenever the wavelength of a wave increases, the frequency of the wave decreases.

Which answer choice best explains why uranium-238 can be used in power plants to generate electricity? A) Nuclides of uranium-238 decay over time. They release large amounts of energy as their nuclei break apart.

Explain how you can use physical properties to compare substances.

How is this model useful?

What is the frequency of a wave? A. The amount of time that one full cycle takes B. The distance traveled by the wave during one full cycle C. The amount of cycles that occur in a given time D. The distance from the beginning to the end of a cycle