These sets represent already known and dated fossils. Which group of fossils appear first? Arrange the set of fossils in logical order by putting a number inside the box on the lower right corner of each division, 1 as first and 8 as last. You may use the "Fossil Information" sheet for reference. (see Fossil Information sheet on Parent’s Guide). Answer the questions below.

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.

In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never