Science Final Exam Review 2024

1. Which of the following is an element?

• He
• CaCl2
• H2SO4
• NaCl

2. How many elements are in the following compound?

• 1
• 2
• 3
• None of these

3. How many elements comprise table salt, NaCl?

• One
• Two
• Three
• Four

4. Which of the following is an example of a physical change?

• combustion of wood
• boiling of water
• corrosion of copper
• rusting of steel

5. When mixing chemicals in a beaker that produces a gas, the correct procedure to observe the odor is to —

• place a fan above the beaker and then smell the odor
• waft the odor toward your face with hand and then smell
• close one nostril and then inhale
• hold the beaker directly under nose and inhale

6. What type of rocks is formed as a result of volcanic activity?

• Igneous
• Metamorphic
• Sedimentary
• Oceanic

7. Which organism is characteristic of Kingdom Plantae?

• dog
• flower
• yeast
• protist

8. Which Kingdom includes insects such as a grasshopper?

• Animalia
• Plantae
• Protista
• Archaebacteria

9. Which term describes all the plants, animals, and protists living in a forest?

• Population
• Community
• Species
• Ecosystem

10. A field geologist collected data for two nuggets of copper and determined their density. Which two pieces of equipment did the geologist most likely use to determine the density of the copper nuggets?

• Balance and graduated cylinder
• Metric ruler and beaker
• Thermometer and Erlenmeyer flask
• Specimen bottle and tweezers