The Earth's magnetic field

Select one:

a. has flipped its North and South pole directions numerous times

b. controls the orbit of the Moon

c. is generated by The Sun

d. has remained constant since it was first created

How do intermolecular forces (IF) and internal kinetic energy (KE) compare in liquids? A. IF < KE B. IF = 0, KE is large C. IF ≥ KE D. IF > KE

When the wick is lit, the kerosene in the wick undergoes a chemical reaction with oxygen in the air to release energy in the form of light. Which change to the device would increase the amount of time the lantern provides light?

A car travels 40 meters in 10 seconds. Which is its speed?

What is the result of unbalanced forces acting on an object?

Consider the moment when the spring is at its maximum compression. At that moment, the kinetic energy, the gravitational potential energy, and the elastic potential energy are, respectively, a - zero, at a maximum, and at a maximum b - at a maximum,

1.) State which definition of power below is correct. A.) the energy transferred per hour. B.) the energy transferred. C.) the energy transferred per second. D.) the force over a distance. 2.

Science and technology are closely related, but not the same. Which of the following is most likely a result of technology, not science?

Ashlee pours some quantity of orange juice in a glass. She accidentally breaks the glass and juice spills all over the floor. Which characteristic of the juice will change? A. mass B. State C. Shape D. Volume

A car travels along a straight road at a steady 40 MPH. Are the forces on the car balanced or unbalanced? Explain.

Why doesn't a ball roll forever after being kicked at a soccer game!