Life Science
Shelly wants to demonstrate how powerful winds can create sand dunes. If Shelly has a bag of sand, which other items would be the BEST for her to demonstrate this process?
A. tablecloth and a spoon
B. pebbles and a paper fan that she made
C. small plants and a shovel
D. large container and a hair dryer
D. large container and a hair dryer
Two balloons move closer when they are placed close together. What is the BEST explanation?
A. They have mixed charges.
B. They have the same charge.
C. They have opposite charges.
D. They are uncharged.
During an investigation on types of cells, a student observed an unknown cell under a microscope. She noticed the following characteristics:
• Cell membrane • Nucleus • Cytoplasm
• Chloroplast • Cell Wall
Based on the characteristics observed, what type of cell did she observe and which evidence below is the best to support her claim?
A. My evidence supports that the cell is a plant cell because of the cell walls and chloroplast.
B. My evidence supports that the cell is an animal cell because there is a cell membrane and nucleus
C. My evidence supports that the cell is an animal cell because there is a cell membrane and cell wall.
D. My evidence supports that the cell is an animal cell because there is a cell membrane and nucleus.
A. My evidence supports that the cell is a plant cell because of the cell walls and chloroplast.
Which of the following arguments correctly identifies which process causes surface features to form? Select the TWO best answers.
A. Deltas are formed by a destructive process.
B. Sand dunes are formed by a destructive process.
C. Volcanic eruption is considered a destructive process.
D. Earthquakes are caused by a constructive process, although the formation of faults is considered a destructive process.
E. Islands are formed through a constructive process, although the volcano eruption which may have contributed to forming the island is considered a destructive process.
C. Volcanic eruption is considered a destructive process.
E. Islands are formed through a constructive process, although the volcano eruption which may have contributed to forming the island is considered a destructive process.
Which BEST describes a log burning to ash?
A. physical change
B. chemical change
C. solid turning to a gas
D. solid turning to a liquid
B. chemical change
When Olivia’s mother asked her to use antibacterial gel after playing outside Olivia told her that she had learned in school that not all bacteria are harmful. Which argument could Olivia use to support her claim that some bacteria are beneficial?
A. Some bacteria is used to make yogurt.
B. Some bacteria will cause a strep throat.
C. Some bacteria can grow on raw meat.
D. Some bacteria can grow in water.
A. Some bacteria is used to make yogurt.
Which question can be answered with data collected in a seismological study?
A. When will the next earthquake occur?
B. Where will the next earthquake occur?
C. How can future earthquakes be prevented?
D. How do the strengths of different earthquakes compare?
D. How do the strengths of different earthquakes compare?
Students are asked to separate a mixture of sand and iron filings. The students decide to remove the iron filings using a magnet. What type of change did the students use to separate the mixture?
A. magnetic and chemical
B. physical and chemical
C. chemical
D. physical
D. physical
Many people believe that most microorganisms are harmful; however, there are more good microorganisms than harmful ones. Which of the following is an example of how a microorganism provides a beneficial function?
A. Microorganisms can create mold on a piece of bread.
B. Microorganisms easily multiply and can be easily spread.
C. Microorganisms cause old plants and leaves to rot and decay.
D. Microorganisms produce a fungus that can cause athlete’s foot
C. Microorganisms cause old plants and leaves to rot and decay.
Which of the following landforms is created as a result of deposition?
A. cave
B. valley
C. canyon
D. river delta
D. river delta