Heat flow, Properties of Matter, Periodic Table and Compounds
Quiz by Tina Lewis
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17 questions
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- Q1Which of the following occurs as ice turns into liquid water?The mass of the ice increases.Energy is absorbed by the ice.Energy is released by the ice.The temperature of the ice decreases.30s
- Q2Objects with a density of 1g/cm3 or less will float in water. The following graph shows the density of selected minerals.all of the minerals will floatnone of the minerals will floatonly Pyrite will floatonly Sandstone will float30s
- Q3Ellie is explaining to her classmates why water (H2O) is a pure substance and not a mixture. Which of the following reasons could Ellis use to support her explanation?water can be easily separatedwater is made up of only one type of elementwater is a compoundwater can be turned into a solid30s
- Q4Materials can be classified as acids or bases according to their pH levels. This following are pH levels of some common materials. baking soda 9 deionized water 7 egg whites 8 lemon juice 2 milk 6 soda 4 Which of the materials are bases?lemon juice and baking Sodadeionized water and milkbaking soda and egg whiteslemon juice and soda30s
- Q5A teacher places a hot serving spoon in a small bowl of ice cubes. What change will occur?The spoon's temperature remains the same and the ice cubes melt.The spoon's temperature decreases and the ice cubes remain solid.The spoon's temperature remains the same and the ice cubes remain solid.The spoon's temperature decreases and the ice cubes melt.30s
- Q6How do replication and repeated trials compare?During replication, the original investigator does the experiment again. During repeated trials, a different investigator does the experiment again.During replication, a different investigator does the experiment again. During repeated trials, the original investigator does the experiment again.During both processes, the original investigator does the experiment again.During both processes, a different investigator does the experiment again.30s
- Q7The atomic models shown below were developed in order from left to right: first Thomson’s model, then Rutherford’s, and finally, the current model of the atom. Why are these models useful?Scientists could pick which model they like best.Atoms have changed over time.Atoms cannot be observed directly.Scientists cannot agree on which model to use.30s
- Q8Atoms are made of smaller objects called sub-atomic particles. Which of the following is NOT a sub-atomic particle found in atoms?electronneutronprotonion30s
- Q9Which of the following is a compound?siliconoxygenhydrogenwater30s
- Q10In the model of an atom shown, what is the name of the part labeled A?electron cloudelementmoleculenucleus30s
- Q11In which of the phases of matter are atoms able to spread out the farthest from one another?gasliquidwatersolid30s
- Q12Jenni reports that a 50 milliliters (mL) of unpopped popcorn kernels had a mass of 200 grams (g).10 g/mL150 g/mL4 g/mL2.5 g/mL30s
- Q13What is the name of the group of elements touching the zig-zag line as indicated on the periodic table?metalloidslanthanidesnonmetalsmetals30s
- Q14Cheryl investigates the density of an object. She fills a graduated cylinder with water, as shown in Figure 1. Cheryl knows the object has a mass of 16.0 grams (g) before she places the object in the cylinder, as shown in Figure 2.2 g/mL8 g/mL24 g/mL3 g/mL30s
- Q15What is the term for a substance that is made up of only one type of atom?elementsolutionmixturecompound30s
