Here is a review powerpoint over the objective dealing with the nature of science.

Here is a review powerpoint over the objective living systems and the environment.

Here is a powerpoint that will review the properties of matter.

Here is a review powerpoint on energy, force, and motion.

Here is a powerpoint review on earth and space systems.

Here is a powerpoint with extra TAKS problems. You may need the formula chart and the periodic table.

Here are the answers to the TAKS practice problems listed above.