SafetyHazardsMixturesDensityVolumeMisc

Safety True or False: You should always assume a mixture to be hazardous. Slide

Safety What should you do to determine the smell of an unlabeled bottle of chemical in the lab? What should you do to determine the smell of an unlabeled bottle of chemical in the lab? Slide r9nDtc

Safety What should you do after handling chemicals in a lab activity? Slide r9nDtc

Safety You are working with a cleaner in class. It is toxic, slightly flammable, and causes skin irritation. What safety precautions would you take? Slide r9nDtc

Safety Which 3 things should you follow in lab activities? a. Wear Goggles c. Read the procedure d. Tell teacher if there is a spill b. Call Hazmat Team e. Pour chemicals down the drain f. Label containers Slide r9nDtc

Hazards Name the hazard class for a substance that catches fire from a flame or spark Slide

Hazards A substance that reacts with a solid material is: Slide a. Flammable b. Toxic c. Corrosive

Hazards When mixed with an acid, the contents of a can bubble. Based on these observations: Slide a.A substance reacts with a liquid b.A substance reacts with an acid c.A substance is toxic d.A substance reacts with a gas

Hazards A container reads: “Harmful or fatal if swallowed. Causes severe irritation to eyes, skin, mouth, and clothing.” What type of hazard does this substance pose? Slide

Hazards There is an unlabeled can and when acid is added, the contents bubble and produce a bad odor. After the reaction you can claim that ________ is produced: Slide a. a liquid b. a gas c. a solid

Mixtures Give an example of a mixture. Slide

Mixtures Slide What can you use plastic forceps for?

Mixtures Which of the following can be separated using a filter? Slide a. Sand and Water c. Iron and Sand d. Saltwater b. Water and Alcohol Separating Mixtures Video 2 (2:16 m) portal.com/academy/lesson/states-of-matter- and-methods-of-separating-mixtures.html

Mixtures There is an unidentified mixture of magnetic and non-magnetic metals. How can you separate this mixture? Slide Separating Mixtures Video 2 (2:16 m) portal.com/academy/lesson/states-of-matter- and-methods-of-separating-mixtures.html

Mixtures What materials would you need to separate a jar filled with water, glass marbles and metal marbles? Slide Separating Mixtures Video 2 (2:16 m) portal.com/academy/lesson/states-of-matter- and-methods-of-separating-mixtures.html

Density You have a solid with a density of 2.85g/cm³. What is the material? Slide Type of solid material Density (g/cm³) Magnesium1.7 g/cm³ Beryllium1.9 g/cm³ Aluminum2.7 g/cm³ Titanium4.5 g/cm³

Density Mineral oil is less dense than water and Mercury is more dense than water If mineral oil, mercury and water were mixed together, which liquid would float to the top? Slide

Density If you place a solid in water, you can determine: Slide a. Its density relative to water d. Its reactivity with copper chloride b. Its toxicity relative to water c. The flammability of the solid

Density A piece of metal has a mass of 10 grams and a volume of 2 mL. What is the density? Slide

Density Physical StateDensityMagnetism CarbonSolid2Non-magnetic NickelSolid8Magnetic ZincSolid7Non-magnetic Slide Which solid is non-magnetic and is less dense than Zinc?

Volume What is the definition of volume? Slide

Volume How would you measure the volume of a piece of plastic with an irregular shape? Slide

Volume What are the three volumes of water that were measured? Slide e.com/watch?v=Wl 6VDFaNn10 Watch the video…

Volume The starting water level in a cylinder is 20 mL. The starting water level in a cylinder is 20 mL. After placing an object in the cylinder, the new level is 42 mL. After placing an object in the cylinder, the new level is 42 mL. What is the volume of the object? What is the volume of the object? Slide

Volume You have a can with a radius of 2 cm and a height of 3 cm. You have a can with a radius of 2 cm and a height of 3 cm. What is the volume of the can? What is the volume of the can? Slide

Miscellaneuos What was the light gray cube from activity #9 made of? How did you find out? Slide

Miscellaneous What is What is the volume the volume of water in the graduated cylinder? of water in the graduated cylinder? Slide

Miscellaneous Slide What is the mass of the object?

Miscellaneous Which of the following are used to determine a physical property? Which of the following are used to determine a physical property? Slide a. Appearance b. Toxicity c. Density d. Corrosiveness e. Flammability

Miscellaneous A student wants to determine if plants grow taller in sand, pot soil or fertilized soil. The student collects the following data: Slide Week Plant growth (cm) after 5 weeks SandPot soilFertilized soil For this investigation, state: a. A problemb. A hypothesisc. A conclusion