[YEAR 7 SCIENCE]: AOL #4 - Laboratory Equipment

What is the main purpose of a Bunsen burner?

• To provide a controlled flame for heating, sterilizing, and combustion reactions in laboratories.

• To provide a controlled flame for cooking purposes in kitchens.

• To generate electricity for powering laboratory equipment.

• To create a colorful display for entertainment purposes in science shows.

Which piece of science equipment is used to hold and heat liquids?

• Test tube

• Thermometer

• Microscope

• Bunsen burner

What is the shape of a test tube?

• Cylindrical

• Triangular

• Rectangular

• Spherical

What is the function of a thermometer in a science experiment?

• To measure pressure

• To measure temperature

• To measure humidity

• To measure time

What is the purpose of a stirring rod in a chemistry lab?

• To measure the temperature of the substances

• To weigh the substances accurately

• To mix or stir substances together

• To hold the substances in place

What is the name of the gas used in a Bunsen burner?

• butane

• oxygen

• propane

• methane

Which type of beaker is used for measuring precise volumes of liquids?

• graduated cylinder

• test tube

• beaker

• Erlenmeyer flask

What is the range of temperatures that a typical laboratory thermometer can measure?

• 0°C to 100°C

• -5°C to 105°C

• -20°C to 120°C

• -10°C to 110°C

What material are most test tubes made of?

• plastic

• wood

• metal

• glass

What is the proper way to clean and dry a stirring rod after use?

• Wash with soap and water and air dry.

• Use a cloth to wipe off any residue.

• Soak in a cleaning solution overnight.

• Rinse with water and wipe dry.