White sands mineral quiz review

How many variables should be changed in one experiment at a time?

• One

• Two

• Three

• Four

What is the dependent variable in this experiment? The amount of water flowing through the soil is the dependent variable.

• The amount of water flowing through the soil

• The type of soil used

• The temperature of the environment

• The duration of the experiment

What is the purpose of wearing safety goggles in the laboratory?

• To protect your eyes from chemicals, flames, or heating.

• To protect your hands from hot objects.

• To protect your skin from corrosive chemicals.

• To protect your feet from falling objects.

What type of gloves should be used when handling hot materials such as hot plates or hot glassware?

• Plastic Gloves

• Heat-Resistant Gloves

• Safety Goggles

• Lab Apron

What precautions should you take before working with flames?

• Before you work with flames, tie back loose hair and clothing. Follow instructions from your teacher about lighting and extinguishing flames.

• Wear open-toed shoes and loose clothing.

• Ignore teacher's instructions and do as you please.

• Use flammable materials near the flame.

What should you ensure when using flammable materials?

• When using flammable materials, make sure there are no flames, sparks, or other exposed heat sources present.

• Ensure that flammable materials are stored near heat sources for easy access.

• Use flammable materials in a confined space to contain any potential fire.

• Mix flammable materials with water to reduce their effectiveness.

What is the process that makes the gypsum form?

• White sands national park

• Evaporation of saline water

• Precipitation from mineral-rich water

• Hydration of anhydrite

What is the process that makes the gypsum form?

• The process that makes the gypsum form in the crystal caves of Mexico is known as crystallization, which occurs when mineral-rich water evaporates and leaves behind gypsum crystals.

• Photosynthesis, which is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

• Oxidation, which is a chemical reaction that occurs when a substance combines with oxygen, often producing energy in the form of heat and light.

• Sublimation, which is the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.

Is water considered a mineral? Use evidence from the list above to justify your answer.

• Yes, because it is naturally occurring and has a definite chemical composition.

• No, because it does not have a crystalline structure.

• Yes, because it is an essential component of the Earth's crust.

• No, because it is a liquid at standard temperature and pressure.

5. What is sand?

• A type of soil

• A broken down rock of rock

• A type of mineral

• A type of metal