Praxis 5005-science practice exam
Praxis 5005-science practice exam Forms of energy -- light, heat, currents Which of the following mediums results in sound to travel the fastest? a. air b. light c. water d. wire Correct answer- d- Sound can travel faster through wire than any other option Sound waves travel fastest through a solid material What is true of an anthropod? Correct answer- -arthropods have a segmented body, a tough exoskeleton, and jointed appendages -arthropods are surrounded by a tough external covering, or exoskeleton -arthropods includes insects, crabs, centipedes, and spiders Appendages Correct answer- Appendages are jointed structures that do not extend from the body wall An early childhood teacher is having students drop common objects into a water table. The teacher has the student document which item floats or sinks. Afterwards, a discussion is held on the common properties for objects that sink and float. Which of the following concepts is best introduced with this activity? a. water properties b. desnity c. volume d. mass Correct answer- b. density
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