Name two characteristics of the elements in the first group of the periodic table.

Adella always spends 30 % of her income on soft-shell crabs. Assume that her income increases by some percentage while the price of soft-shell crabs remains constant (and that all soft-shell crabs cost the same).

Sound waves are converted finally into which of these signals in order to be processed by the brain? A. Electrical signal waves B. pressure waves C. longitudinal waves D. high-frequency transverse waves E. low-frequency transverse waves

What do cars, power plants and furnaces have in common? (brainpop)

As an object falls toward earth, the potential energy of the object ... A. Increases B. Decreases C. Stays the same

Consider a system of two particles: ball A with a mass m is moving to the right a speed 2v and ball B with a mass 3m is moving to the left at a speed v.

Tools used as nut crackers by chimps and birds

What type of electromagnetic wave does a light bulb and a radio antenna release?

Why was the inclusion of sketches in his notes important to Galileo's studies

7. If your accelerator suddenly gets stuck what should you do?

When h2o is removed from the mixture does the equilibrium shift to the right to the left or is there no shift?