Which are heterogeneous mixtures?

Check all that apply.

A. Soda pop and sand

B. Ice and lemonade

C. Sugar dissolved in water

D. Water and oil

Which of the following is NOT a concern that scientists have about oceans getting warmer? Warmer oceans cannot store as much carbon dioxide, which is a greenhouse gas.

Which of the following is related to intensity of light in a photoelectric effect? A) Intensity of light is related to work function of the metal. B) Intensity of light is related to frequency of the light.

Summarize how the sign of the charge affects the direction of the force (attraction or repulsion) in two complete sentences or more.

Jamal heats a metal rod to 75oC and drops it into a bucket of tap water. How does the motion of the water molecules change as a result? A) The water molecules do not change. B) The water molecules move and vibrate faster.

2. What is forensic paleontology? 4. What are Forensic wood anatomists?

Calculate the mass of an 86kg object on the moon

Assume you live in a Einsteinian universe with the speed of light being only 60 k / hr. First you see a bicyclist at rest and later you see the same cyclist moving at 55 km/hr. Describe quantities that would change.

52. In an ideal gas the molecules possess a. Only potential b. Only kinetic energy c. Kinetic and potential energy both d. Only gravitational energy

To stretch a certain nonlinear spring by an amount x requires a force F given by F = 40 x - 6 x 2, where F is in Newtons and x is in meters.

A wave passes through an opening in a barrier. The amount of diffraction experienced by the wave depends on the size of the opening and the wave's (1) amplitude (3) velocity (2) wavelength (4) phase