There are several steps, or processes, in the sexual reproduction of plants. Insects, such as bees, or mammals, such as dogs, may play a role in the processes. In which two processes of sexual reproduction do animals play a role?

The Florida Everglades have many kinds of plants and animals. Which of the following is one organism in the Everglades that is able to produce its own food?

Tuyet watched coverage of an oil spill on the news. She noticed how the oil stuck to the fur of an animal. This helped her to think of a clean-up method that will remove the oil spill.  

Which of the following ideas did the oil sticking to the fur most likely lead Tuyet to think of?

Brenda is learning about food chains. She knows that she can trace energy from the Sun as it is moved through the food chain. Which words describe the plants and animals in a food chain?

The Florida panther is Florida’s state mammal. It is an endangered animal that lives in the forests and swamps of southern Florida.  

What does this animal have in common with the life cycles of all other mammals that live in the swamps of Florida?

Josef and Mariah are conducting a science investigation. They listen to and count the number of chirps crickets make during different nights. They also note the temperature and record their data in the table below.  

What can Josef and Mariah conclude about how temperature affects the crickets?

Alisha loves to watch the stars in the night sky. How can Alisha explain why the stars seem to move across the sky as night goes on?

Manatees are aquatic mammals that migrate with seasonal changes in weather.  

Which of the following statements about manatee migration during winter is true?

Kembe is studying some rocks. One of the rocks has the imprints of shells in it. Which class of rock does Kembe most likely have?

Jeffrey plays with his dog Lad every day after school. The picture below shows one activity Jeffrey does with Lad.  

What kind of behavior does Lad show in the picture?

Jed is studying how invasive organisms are plants or animals that are introduced into a new area. The new plants or animals compete with the native species in the area. Sometimes the new organisms, such as plants, grow very quickly. How can Jed describe what will most likely happen to the native species that compete with the invasive organisms?

Akari is examining this sample of quartz.  

She observes that the quartz is pink, shiny, opaque, brittle, and cubic. Which of Akari’s observations describes the quartz’s luster?

Sunlight, air, water, and trees are all natural resources that people and plants use to survive. What do all of these resources have in common?

Samantha sees the tree shown below while hiking with friends.  

Which of the following processes can Samantha say has caused the tree to split the rock?

The picture shows how Emilio’s family generates some of the electricity they use on their citrus grove in Florida.  

Which type of resource does Emilio’s family use to generate electricity?

Alexi knows that the Moon seems to change its shape over a month. Which of the following statement best explains what Alexi sees each night?

Earth’s movement in space results in patterns in time. Time can be measured in hours, days, months, and years. Which of the following time patterns is a direct result of Earth’s rotation in space?

Janicka drew the picture shown of the Sun rising over the horizon.  

Which of the following statements could Janicka use to caption her picture?

The space program in Florida has many effects on the economy and culture of Florida. Which of the following best describes how the space program has affected the economy of Florida?

Mrs. Braun gave her science students two objects wrapped in aluminum foil. The objects were the same size and shape. One object was a brick, and the other was a block of packaging foam. Which physical property of the objects could her students use to tell which was the brick without unwrapping them?

Erica fills an empty box with 1-cm cubes. She puts in 32 cubes that completely fill the box. Which property does Erica measure by using the cubes?

Warren wants to display his homework somewhere in his home by using a magnet. On which of the following objects will Warren be able to hang his homework and magnet?

Salama places one of the connecting cubes shown below on a pan balance. She finds that the mass of one cube is 8 grams.

Salama now snaps all of the cubes together and places them on the balance. What can she predict will be the mass of the cube train?

Tyrone rubs two sticks together quickly. When he stops rubbing the sticks, he notices that they are warm to touch where he rubbed them. Which type of energy has been produced?

 In science class, Bethany is learning that people who live along rivers often build dams and levees. Which of the following best describes why people may build these structures?

Deon is studying how matter changes in science class. He wants to make a poster of how a change in a material can result in a new material. Which of the following would be the best for Deon to show on his poster?

The students in Mrs. Greenberg’s science class are studying different forms of energy. Kirstie needs to write a report on how energy can cause motion. Which of the following topics would be the best choice for Kirstie’s report?

Theresa is investigating sound in science class. To demonstrate sound waves, she strikes a tuning fork and places it in a pan of water. The tuning fork causes waves in the water.  

Which of these best describes why waves are produced in the pan of water?

Abdul holds an ice cube in his hand. As he squeezes the ice, it begins to melt. Which of the following best explains why this happens?

Meg is studying how plants reproduce. She draws this diagram to show one step in the sexual reproduction of plants.  

Which of the following terms can Meg use to label her diagram?

Trisha is on a camping trip with her parents. She uses a flashlight to find her way in the dark. The beam of light from the flashlight is shown.

Which statement best explains what happens to the light that shines from Trisha’s flashlight?