The table lists some physical properties of two objects. Based on their properties, which of the objects is most likely a metal?
Students are investigating properties of objects. They observe four objects and record observations for each object in the table. Based on the students' observations, which of these tables properly identifies the objects?
A student measured out 10 mL of four clear liquids and added one drop of a different-colored dye to each liquid. One of the liquids was water. The student then carefully poured each liquid into a graduated cylinder and let the mixture settle for 30 minutes. The student observed that the liquids had separated into layers, as shown in the diagram. Which of these procedures would help the student identify the layer of water?
A cook uses the ingredients listed below to prepare a meal. Which table correctly shows the physical properites of these ingredients when placed in hot water?
Which of these is the best conductor of electricity?
A student reads the label on the bottom of salad dressing shown below. Why would the student shake the salad dressing well before using it?
A student stirs 15 grams of each substance listed below into 200 milliliters of water to form four different mixtures. The student tries to separate the water from each mixture through a kitchen tea strainer. Which mixture can the student separate most easily with the strainer?
A beaker with 115 mL of solution has a temperature of 21 degrees Celsius. The solution contains 5 g of salt and 115 mL of water. Students added two ice cubes to the solution and stirred the solution with a stirring rod. Which properties of the solution changed as the ice cubes melted?
A group of students is performing an investigation to measure how much liquid water is produced from a 10 L sample of snow. What must occur in order for the students to perform this investigation?