Cumulative Exam

Question 1

A circuit is a path along which electric current flows. How would changing the battery in a circuit from 9 volts to 1.5 volts most likely affect the circuit?

Revolt · Accepted Answer

Less electric charge would flow in the circuit.

Question 2

Which type of reaction is C12H22O11 → 12C + 11H2O?

Revolt · Accepted Answer

decomposition

Question 3

This chart shows descriptions of the atoms for four different substances.

Revolt · Accepted Answer

Object 3

Question 4

Question 44

Revolt · Accepted Answer

The forces are balanced.

Question 5

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

Revolt · Accepted Answer

4.8 mph

Question 6

A cylinder at left with balls evenly spaced throughout the cylinder has an arrow leading to a cylinder at right cylinder with balls in a layer at its bottom.

Revolt · Accepted Answer

condensation

Question 7

Which is an example of a chemical change?

Revolt · Accepted Answer

frying an egg

Question 8

Incisors (front teeth) act as wedges in the human body. Which change would increase the mechanical advantage of incisors?

Revolt · Accepted Answer

an increase in the length of the teeth and no change in the thickness at the widest part of the teeth

Question 9

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

Revolt · Accepted Answer

the ability to do work

Question 10

Alai is comparing the physical property of two materials. He is hitting each with a hammer to observe what happens. What physical property of the materials is Alai most likely observing?

Revolt · Accepted Answer

hardness

Cumulative Exam Answers

More from this Course

TRY EDGENUITY HACKS