Which of the following has the largest population in the Indian River Lagoon ecosystem?

Which of the following statements MOST accurately describes the energy transfer between the levels of the food pyramid in the Indian River Lagoon?

In the Indian River Lagoon ecosystem, many organisms compete with one another for food sources. Which organism in the food web competes with the egret for food?

Felipe and Marsha were studying forces and decided to do an experiment. They placed four equally sized blocks made of different materials on an elevated plastic tray. The materials tested were a block of ice, a sponge block, a sandpaper block, and a plastic block. They watched each of the blocks move down the tray. Which of the following forces causes the blocks to move down the tray?

Felipe and Marsha were studying forces and decided to do an experiment. They placed four equally sized blocks made of different materials on an elevated plastic tray. The materials tested were a block of ice, a sponge block, a sandpaper block, and a plastic block. They watched each of the blocks move down the tray. Which block would experience the LEAST amount of friction as it moved down the tray?

Felipe and Marsha were studying forces and decided to do an experiment. They placed four equally sized blocks made of different materials on an elevated plastic tray. The materials tested were a block of ice, a sponge block, a sandpaper block, and a plastic block. They watched each of the blocks move down the tray. Which of the following conclusions can Felipe and Marsha make about the forces that cause the blocks to move down the tray?

Delilah followed these steps of an investigation: 1. Collect five objects made of different types of metals. 2. Place them on a large laboratory table. 3. Touch each metal object with a magnet and lift slowly. 4. Record observations. Which of the following statements is Delilah MOST LIKELY testing?

Rashan is performing an investigation using several earthworms. He places a rectangular box under a bright lamp and covers 1/2 of the box so that it is shaded. Then, he puts the earth worms into the box on the side that is still brightly lit. Later, Rashan notices that all of the earthworms have crawled over to the shaded side of the box. Based on his investigation, which of the following is an observation and NOT a personal opinion?

Gabriel is designing an experiment to see whether sugar or artificial sweetener will attract eh greater number of ants. Which statement BEST describes why Gabriel should write down his experimental procedure?

A star named Sirius appears as the brightest star in the nighttime sky, even though a star named Pollux actually gives off more light. Which of the following BEST explains why Sirius appears brighter than Pollux in our nighttime sky?

Jacob started creating a diagram to show some of the common characteristics of the planets in our solar system. Title: Common Characteristics of Planets. Category #1: Has Mass. Category #2: Rotates on an Axis. What characteristic should Jacob write for Category #3 of the diagram?

Keisha wants to show Amy what happens during one Earth day. Keisha holds a small globe representing Earth, and Amy holds a large ball representing the Sun. What should Keisha do to show Amy what happens during one Earth day?

Dennis cannot scratch a mineral sample with his fingernail, but he observes that he can scratch the mineral sample with a piece of metal. What physical property of the mineral sample is Dennis investigating?

There are many different natural resources found in Florida. Which of the following can be described as a renewable resource?

Earth has a great variety of surface features that are caused by weathering and erosion. Which of the following describes a change due only to weathering?

A model of the water cycle was made using an aquarium with a glass cover, a container of ice cubes, water, and a lamp. Which part of the water cycle causes the water droplets to form on the glass cover.

Earth has many types of climate zones. Which of the following BEST describes the type of climate zone in the tundra of the Northern Hemisphere?

Kyle and Jan are comparing two samples of matter. Which property provides the BEST evidence that the samples are solids rater than liquids?

Dani adds 10 grams of salt to a jar of water. She then adds 10 grams of sand to a second jar of water. She covers and shakes both jars and sets them on the table for five minutes. What should Dani expect to observe after those five minutes?

One morning, Ryan noticed there were tiny drops of water on the grass as he walked to school. That afternoon, he did not see any drops of water on the grass when he returned home. Which of the following BEST explains what happened to the drops of water?

Which of the following BEST explains why the rubber band makes a sound when Jason plucks it?

Frank uses a bowling ball to demonstrate how energy can cause changes. Which of the following actions would NOT demonstrate a change caused by Frank applying energy to the ball?

Latrisha has a row of bar magnet with a north and south pole. Which object below will repel the north pole side of the magnet?

Stephanie started pushing a bookcase across the room. After she pushed for a few seconds, she removed the books and continued pushing with the same force and direction as before. How does removing the books affect the motion of the bookcase?

The stem is an important part of many plants. Which of the following is MOST similar to the role performed by the stem of a plant?

Organs in the human body carry out different functions. Which human organ breaks down food so that it can be used by the human body?

Both the Butterfly and the Grasshopper's beginning stage of life is the

Loggerhead sea turtles are large turtles that live in the ocean and nest on the FL coast. The female loggerhead sea turtle lays more than 100 eggs in the beach sand. How is laying so many eggs an important adaptation that helps these turtles to survive?

The Sun provides the energy to be used by the living things in the lagoon food chain. Which of the following describes the transfer of energy from a producer to a consumer?