Exit Level TAKS Objective 1

Match it! Select the correct answer from the pull down...Good luck!

The safest way to dilute concentrated sulfuric acid is to add--

Which of these tools is most useful in identifying single-celled organisms in a sample of pond water?

Which of these activities can help conserve natural resources?

A student is working with four beakers that each contain a clear liquid. Which set of procedures would be best to determine whether one of the beakers contains only distilled water

Students are doing a dissection lab. Students use hand lens, forceps, and a scalpel. Two of the students are done. These 2 students may do all of the following except--

Only 10% of the electrical energy operating a lightbulb is changed into visible light. Which instrument helps identify the energy change occurring to most of the remaining 90%?

There is a picture that shows a chemical being poured on a hand and on a surface. The chemical is eating away at the two objects. What does this represent?

A glas is held upside down so that its open end is closed by the water's surface. Soon air bubbles gegin to escape from the glass. The best explanation for this is--