Phases of Matter and Changes in State
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Questions and Answers

Change in the phase or state of matter is ______

physical change

Chemical change is when composition of matter is ______

altered

Thermal decomposition is when decomposition of substances to ______

heat

Oxidation refers to any process in which oxygen combines with a ______

<p>substance or element</p> Signup and view all the answers

Aerobic means with ______

<p>air</p> Signup and view all the answers

During sublimation, a ______ changes from solid to gas

<p>substance</p> Signup and view all the answers

Deposition is when a ______ changes from gas to solid

<p>substance</p> Signup and view all the answers

Aerobic respiration requires ______

<p>oxygen</p> Signup and view all the answers

The principle male sex hormone is ______

<p>testosterone</p> Signup and view all the answers

The female hormones responsible for teenage acne and occasional moodiness are ______ and ______

Signup and view all the answers

During ______, a solid changes from liquid to gas.

<p>evaporation</p> Signup and view all the answers

The male reproductive system consists of ______, which produce sex cells.

<p>gonads/sex organs</p> Signup and view all the answers

Glucose is the simplest form of sugar that is obtained from the food we eat and it forms ______.

<p>carbon dioxide</p> Signup and view all the answers

The ______ gland is the organ that stores urine.

<p>bladder</p> Signup and view all the answers

______ is when a gas changes from solid to gas.

<p>sublimation</p> Signup and view all the answers

Study Notes

Phase Changes of Matter

  • Freezing: Transition from liquid to solid.
  • Evaporation: Change of liquid into gas.
  • Condensation: Process where gas converts back to liquid.
  • Sublimation: Direct transition from solid to gas.
  • Deposition: Conversion from gas directly to solid.
  • Melting: Process of solid turning into liquid.

Physical vs. Chemical Changes

  • Physical Change: Changes in phase or state of matter without altering composition.
  • Chemical Change: Involves alteration of a substance's chemical composition.
  • Thermal Decomposition: Breakdown of substances due to heat.
  • Oxidation: Chemical reaction where oxygen combines with another substance.

Biological Processes

  • Aerobic: Refers to processes occurring in the presence of air.
  • Aerobic Respiration: Requires oxygen to produce energy from glucose, resulting in carbon dioxide.

Reproductive Systems

  • Male Hormones: Testosterone is the primary male sex hormone, responsible for the development of male sexual characteristics and sperm production.
  • Female Hormones: Estrogen and progesterone regulate female sexual characteristics and egg production.
  • Responsibility of Hormones: These hormones influence physical changes during puberty and can lead to mood fluctuations.

Male Anatomy

  • Bladder: Stores urine until it is excreted from the body.
  • Prostate Gland: Plays a role in male reproductive health by producing seminal fluid.

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Description

Test your knowledge of the different phases of matter and changes in state with this science exam. Explore concepts such as freezing, evaporation, condensation, sublimation, deposition, melting, and more. Also, learn about the difference between physical and chemical changes, thermal decomposition, and oxidation. Challenge yourself and see how well you understand these fundamental concepts in science.

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