Sodium = Na

Water = H2O

Gold = Au

Silicone = Si

Boron = ?

What is the symbol for Boron?

Use the scientific method to disprove the theory that "the Earth is the center of the universe."

Which situation represents a person in equilibrium? (1) a child gaining speed while sliding down a slide (2) a woman accelerating upward in an elevator (3) a man standing still on a bathroom scale (4) a teenager driving around a corner in his car

7. A bicycle accelerates at 2.0 m/s2. If the mass of the bicycle and rider together is 85 kg, what is the net force acting on the bicycle?

What happens to the metal railroad tracks during the heat of the summer

Which statement is true about an object moving in a circular motion due to centripetal force, F, when the mass is doubled

How was dyslexia treated in the past and how is dyslexia treated today?

The work of Charles Kuen Kao is likely to have been most influenced by the work of which of the following scientists? A. Galileo Galilei B. Christian Doppler C. Sir Isaac Newton D. Ibn al-Haytham

Suppose a car is moving in a straight line and steadily increases its speed. It moves from 35 km/h to 40 km/h the first second and from 40 km/h to 45 km/h the next second. What is the car acceleration?

Why can crevasses in glaciers only be 50 meters deep? A. Plastic flow occurs below that depth. B. Glaciers cannot be thicker that 50 Meters. C. Surges prevent plastic flow below that depth. D. Basal slip occurs below that depth.

What are the changes to Earth's surface that occur as a result of plate movement