Cumulative Exam — Cumulative exam Answers

Veronica got a cut on her arm, and it started bleeding. Her circulatory system started working hard to prevent blood loss and protect against infection.Which two components of the blood were functioning at a higher level than normal?

What is the potential energy of a 25 kg bicycle resting at the top of a hill 3 m high? (Formula: PE = mgh)

When a person sees a doctor about a respiratory illness, the doctor will want to determine if the sickness is in the upper respiratory tract or the lower respiratory tract. The starting point for the lower respiratory system is the trachea.Which structures are part of the upper respiratory system? Select three options.the larynxthe bronchusthe alveolithe lungsthe pharynxthe nose

A probe is launched from Earth and lands on Mars. The gravitational acceleration on Mars is 3.7 m/s2.

What is the kinetic energy of a toy truck with a mass of 0.75 kg and a velocity of 4 m/s? (Formula: )

Kenneth ran a marathon (26.2 miles) in 5.5 hours. What was Kenneth’s average speed? (Round your answer to the nearest tenth.)

On a test, Helena is defining energy. Which must she include in order to get her answer marked correct?

The graph indicates Linda’s walk.

Luz, who is skydiving, is traveling at terminal velocity with her body parallel to the ground. She then changes her body position to feet first toward the ground. What happens to her motion?

An outbreak of a dangerous infectious disease occurred in several areas across a large city. The Centers for Disease Control (CDC) was notified immediately, and they isolated the people who had the disease.Which statement best explains what happened during the outbreak?

How do rock types contribute to the rate of weathering?

Fernanda is working on a physics project. She is experimenting by rolling a marble down a ramp and then seeing how far it rolls along the floor after leaving the ramp.Which would be the dependent variable in Fernanda’s experiments?

Which structure in a plant is at the same level of organization as a heart in an animal?

Which structure of the excretory system mainly functions in filtration?

When does the Northern Hemisphere receive the fewest hours of daylight?

Four groups of students plan scientific investigations to answer four questions for the science fair.Which question would most likely be answered with an experimental investigation?

Gunther likes to sunbathe and look tan. When he can, he uses tanning beds or he goes outside to soak in the sun.Which would he most likely contract from his lifestyle choices?

Which term refers to the ability to do work?

Which is one factor that contributes to the formation of polar, temperate, and tropical zones?

Archie is a biologist and is working to classify a newly discovered organism. Which of these steps will he most likely do in the process?