NOS
The independent variable is
What is the test variable/variable that is changed?
Weathering and erosion are processes that constantly change Earth’s surface. How do weathering and erosion differ?
What is weathering breaks down materials; erosion moves materials?
Baking cookies is a _____ change
What is a chemical change?
Florida is an example of a peninsula because
What is because it has water on 3 sides?
Recall the photo of the boy in the water.
The branch broke when the kid was sitting on it, and he fell into the water.
What is this an example of?
What is an inference?
Compared to pseudoscience, science is.....
What is based off of fact and research?
The Appalachian Mountains are believed to have been as high as the Himalayas at one time. Which two processes are responsible for the fact that they are now much smaller?
What is weathering and erosion?
A mass of 200 grams (g) of solid iron is heated at a high temperature until the iron has completely melted.
What is the mass of the liquid iron after heating?
What is 200g?
If a river flows from the mountains into an ocean, where would the most deposition of sediment take place?
What is at a delta?
Sandy is conducting an experiment to see if the grades of dancers are better than the grades of baseball players. She organizes the dancers into group A and the baseball players into group B. She records the grades and makes the conclusion that the dancers have overall better grades. Is this an experiment or an investigation (observation)?
What is an investigation?
How would you test the following hypothesis (What’s the IV & DV): Ants prefer to eat sweeter food than salty food
What is IV: The type of food DV: amount of ants attracted to food?
Marsha places a sealed plastic bottle of water in a freezer. The next day she discovers that the water has frozen and split the sides of the bottle. What process does this phenomenon BEST represent?
What is physical weathering?
Steve fills a jar with water and adds Epsom salts and ammonia. After five minutes, he observes that white particles have formed and settled at the bottom of the jar. Steve is unable to change these particles back to any of the three original substances by heating or stirring the solution. He isolates the white particles and finds that they have properties that are very different from any of the three starting materials. Which statement BEST explains Steve's observation?
What is a chemical change because a new substance formed?
The St. Johns River is the longest river in Florida. Silt piles up at the mouth of this river, where it empties into the Atlantic Ocean. Which geological feature do these piles of sediment form?
What is a delta?
A theory tells us ___
What is why something happens?
You are investigating the numbers and types of birds in your neighborhood. If you watch a bird feeder to see which birds appear, you are collecting _______________ evidence.
What is empirical evidence?
If a river flows from the mountains into an ocean, where would the most deposition of sediment take place?
When a physical or chemical change occurs, the Law of Conservation of Mass always applies. What happens to the atoms during a chemical change according to this law?
What is the atoms are rearranged?
In some areas, limestone is found underneath the soil. In these areas, water can wear away the limestone and sinkholes may form on the surface. What is responsible for the formation of sinkholes?
What is chemical weathering?
Consider the following hypothesis: “The time it takes for sugar to dissolve in water depends on the temperature of the water.”
Which of the following is the independent variable for an experiment that would be designed based on the hypothesis?
What is the temperature of the water in which the sugar is placed?
John performed an experiment. What can he do to increase the validity of his results?
What is repetition?
A valley is a low area of land between hills or mountains on Earth's surface. Which process most likely shaped a valley?
What is a glacier?
When sugar is added to water to make a sugar solution, a physical change occurs. According to the Law of Conservation of Mass, what prediction can be made about this physical change?
What is the sugar solution will have the same mass as the sugar and water?
Sand dunes can have many shapes and sizes. How is a natural sand dune formed?
What is windblown sand is trapped by beach grass or other objects?
Antarctica is the coldest, driest continent on Earth, and only a few species survive its harsh elements. Yet scientists have found fossils of green fern plants in Antarctica.
Based on these findings, which of these is the BEST conclusion?
What is the climate of Antarctica was once warm and has changed over time?