Use the table below to identify four substances that undergo a physical change if the temperature is reduced from 50oc to - 50oc. what is the physical change that takes place in each case.

Which of the following is the human ear able to detect? Musical note Sonar Ultrasound Dog Whistle

Electromagnetic waves with the highest energy have what?

How are speed and velocity different

Figure 15-3 In Figure 15-3, which gas makes up the greatest percentage of Earth's atmosphere?

Two different examples of forces that could cause a change in motion

What is 1/3 of 300

What geologic features might form at the surface of plate A?

Is it true that mollusks that live in water have lungs

Which is a true statement about waves? A They always travel in every direction at the same time. B. They travel at different speeds through different materials. c. They cannot travel through liquids or solids. D.

What is s the best description of the constructive interference of light? A. two waves have the same direction of displacement. B. two waves have displacement in opposite directions. C. a longitudinal wave meets a transverse light wave D.