Laboratory Tools and Safety Answers

Electron microscopes have much higher magnification than compound light microscopes.

Safety equipment like fire extinguishers and fire blankets are used to prevent accidents.

Which of the following is not used to hold liquids?a.flaskb.graduated cylinderc.balanced.test tube

Scientists use different types of microscopes to observe objects that are not visible to the naked eye. A scientist is reviewing various samples of pond water to determine what species of microorganisms live in the pond. The scientist wishes to make drawings of the structure of each microorganism and study each one's method of movement. Which of the following microscopes would be best for the scientist to use? a. transmission electron microscope b. scanning electron microscope c. compound light microscope d. dissecting microscope Please select the best answer from the choices provided

The proper protective equipment for working with hazardous chemicals in the lab includes, gloves, lab coat, goggles, and a fume hood.

Samples for a compound light microscope are typically prepared on _______.a.glass slidesb.coverslipsc.a portiond.dissecting trays

A transmission electron microscope would be the best microscope choice to study _______.a.structures smaller than cellsb.single celled organismsc.plant leavesd.amphibian organs

Many types of scientific equipment are used to perform different functions in the science lab. Which of the following combinations of equipment would be needed to bring one liter of water to 85°C? a. graduated cylinder, balance, beaker and hot plate b. graduated cylinder, beaker, thermometer and hot plate c. test tube, thermometer, and Bunsen burner d. test tube, electronic balance and hot plate Please select the best answer from the choices provided

Following proper safety guidelines _______.a.minimizes the chance of accidents occurring in labb.involves using a fire extinguisherc.prevents accidents from occurring in labd.requires using a safety shower

Which of the following microscopes provide 3D images of samples?a.dissecting microscope and compound light microscopeb.dissecting microscope and scanning electron microscopec.scanning electron microscope and compound light microscoped.compound light microscope and transmission electron microscope