Current location of the continents with outline of the tectonic plates. Label A is in lower left near South America. Label B is in lower middle near Africa. Label C is in lower right near Austraila. Use the drop-down menus to identify the labeled plates. Label A Label B Label C

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

How do you determine the percent yield of a chemical reaction