Science Safety and Tools Test

To demonstrate safe practices during lab investigations in the classroom, which two pieces of safety equipment should you use ?

• Safety Goggles and a hat

• rubber boots and gloves

• gloves and safety goggles

• A lab apron and a hat

Which of the following is a safety practice you should perform immediately after each classroom laboratory ?

• combing your hair

• eating a snack

• resting your eyes

• washing your hands

You are working in the science lab with chemicals. After the lab is over, you have some chemicals left over that you did not use. What should you do with the leftover chemicals ?

• Pour them all down the sink drain.

• Ask your teacher how to dispose of them.

• Pour them all in a beaker and leave it out for someone else to dispose.

• Put them back in their bottles so they can be used again.

Tags

NGSS.MS-PS1-3

Which of the following actions is dangerous and should be avoided during a laboratory ?

• Observing a chemical reaction

• Testing a chemical during a lab.

• Stirring chemicals with a piece of glass.

Tags

NGSS.HS-ETS1-3

What type of tool might you use to collect and analyze information about the daily temperature in your neighborhood ?

• A wind vane

• A rain gauge

• a graduated cylinder

• a celsius thermometer

A pan balance is used to collect and analyze information about objects. When would you use this tool in a scientific investigation ?

• To compare the masses of two objects.

• To compare the volumes of two objects.

• To average the masses of two objects.

• To measure the exact volume of an object.

You fill up the beaker shown below with some liquid. What type of information can you collect from the filled beaker?

• The mass of the liquid

• The height of the liquid

• The volume of the liquid

• The temperature of the liquid.

Which of the following tools would be the best to collect information about how fast a mouse can run through a maze?

• a clock

• a compass

• a stopwatch

• a spring scale

Tags

NGSS.MS-PS2-2

You are using a triple beam balance to analyze the masses of some rocks. Your instructor notes that your measurements do not look accurate. To ensure accurate measurements, what is the first thing you must do when using a triple beam balance to collect and analyze information ?

• You must make sure the balance feels cold to the touch.

• You must make sure the balance reads zero before you use it.

• You must make sure the balance already has a weight in the tray.

• You must make sure the balance is used to measure small rocks first.

You and your classmates will be collecting information on the growth of two dozen plants. You will be measuring the plants' height every day for 90 days and recording the information each day. Which tools would be helpful in collecting, recording, and analyzing this data?

• A computer, a notebook, and a ruler.

• A beaker and meterstick.

• A microscope, a ruler, and a balance.

• A thermometer, a ruler, and a beaker.

Tags

NGSS.MS-LS1-5