To decide if plants grow better with fertilizer, a student could start growing plants and

What is the connection between the distance from the Sun and the period of revolution?

Which of these can cause sharp, rough mountains to become rounded and smooth over time?

Which of these is best classified as a nonrenewable resource?

Which part of the water cycle is seen in the circled part here?

How do the heart and lungs work together?

Which part of the plant takes in the most water?

Each organism in a food chain plays a role in the flow of energy from one level to the next. In the food chain, what is the primary role of the corn?

Raheem is investigating the properties of several substances. He prepared a beaker containing substances J, K, and L and filtered the contents through a funnel into a flask, as shown. What term best describes substances J, K, and L inside the beaker before Raheem poured them through the filter paper?

Jerome put water in the freezer and made ice. Which of the following happened?

Which diagram below shows a complete electrical circuit?

Iron filings and bar magnets were placed on a sheet of paper. The diagram shows the pattern made on the paper due to a magnetic force. At which point on the diagram is the magnetic force the strongest?

Mr. Brown wonders how minerals affect animal growth and decides to conduct an experiment with his chickens. He begins with 3 buckets containing exactly the same amount of chicken feed and then adds the same amount of 2 different minerals to two of the buckets. He adds calcium to one bucket, adds magnesium to another bucket, and doesn’t add any minerals to the third bucket. What scientific term is used to describe the mineral placed in each bucket?

The table indicates the amount of time that four different brands of batteries worked in a flashlight. Which of the following statements is supported by this information?

Which of these revolves around a planet?

The freezing and thawing action of water affects a rock by

Daunte performed several tests on a mineral to help identify it. The picture below shows one of the tests he performed.

Which property of a mineral will he be able to identify using this test?

A certain day in Miami has a temperature of 85 °F. Weather forecasters are predicting that the air pressure and temperature will drop during the day. Which type of weather is most likely in the late afternoon?

Humans interpret seeing, hearing, tasting and smelling in the:

What major function does the human skin and the waxy outer layer of a plant’s leaf share?

This diagram shows a food chain. Which term describes the role of the corn in this food chain?

Armadillos and coral snakes both live in Florida. When an armadillo is threatened, it curls up and looks like a ball. A coral snake curls its tail into a tight spiral and holds it up when an enemy is near. Based on the information given, in what way are these two animals similar?

Juan and Kym have four samples of matter. They are observing and describing the properties of these samples. Which property will best provide evidence that the samples are solids rather than liquids?

During evaporation, which change best describes what happens to water?

A student plans to make this light bulb glow. All of the following objects can be used to complete the circuit except:

Jose is a mechanic at an automobile repair shop. He spilled a can of oil on the concrete floor. The spilled oil will reduce which force?

Alejandro wants to find out whether mealworms prefer apples or pears. He places an apple slice at one end of a cardboard box and a pear slice at the other end. He then places 20 mealworms in the center of the box, about 15 centimeters (cm) from each piece of fruit. After several hours, he counts the mealworms on or under the apple, the mealworms on or under the pear, and the mealworms not touching either the apple or the pear. Alejandro repeated his experiment four times. The data are recorded in the table shown below. Which of the following is the best conclusion that Alejandro can make from this data?

A class wants to find the ideal temperature for plants to grow in a terrarium. If the students set up several terrariums, what should they do to get the best results?

The largest body in our solar system is

Jacob created a diagram to show some of the common characteristics of planets in our solar system. Which characteristic should Jacob write in the empty circle of the diagram?

Why are most fossils found in sedimentary rock?

Earth has many types of climate zones. The map below shows the tundra climate zones of the Northern Hemisphere.

Which of the following best describes this type of climate zone?

The heart is an organ of the human body that is mainly composed of muscle. What function does the heart muscle perform?

The picture shows the life cycle of a butterfly. Which of the following represents the beginning stage of the life cycle of the butterfly?

The chart shows the characteristics of four habitats. In which habitat would a black bear most likely be found?

In some parts of the Florida Everglades, sawgrass can grow thick enough to block the flow of water. Alligators make nests out of the sawgrass and also make travel lanes through the grass. This helps the water flow easily. It also keeps the sawgrass from being completely underwater, which can damage the sawgrass. What relationship is demonstrated by the alligators and sawgrass in the Everglades?

Henry is measuring the mass of four different blocks with letters on them. Look at the pictures. Which block has the greatest mass?

Which of the following represents a chemical change?

For a special dinner, Catherine’s mom lit some candles in the living room for decoration. What two forms of energy does the fire from a burning candle release?

Felipe and Marsha were studying friction and decided to do an experiment. They placed four equally sized blocks made of different materials on an elevated plastic tray. They watched the blocks move down the tray.

Which block would experience the least amount of friction as it moved down the tray?

A rubber ball was dropped from the same height onto 5 different surfaces. The height of the first bounce was measured and recorded. The graph below shows the data collected. Based on the data, which of the following is the best conclusion?

A student will measure and record the growth of two flowering plants every other day for ten days. According to the diagram, which question is being tested?

Which of the following happens in our solar system?

Which of the outer planets takes the most time to revolve around the Sun?

The diagram shows sand dunes. Which natural force most likely shaped this landform?

Which picture best shows the process of condensation?

Which organ removes waste from the blood?

Rats, crabs and spiders are organisms that have some similar structures. Which of the following structures is NOT found in all three of these organisms?

Which part of an ecosystem is alive and provides oxygen for animals?

You see an insect on a tree branch. The insect looks like a leaf, and it is hard to see it. What adaptation is this an example of?

Which of the following is NOT matter?

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 converts electrical energy into mechanical energy?

An object is moving at a constant speed. If a balanced force is applied in the opposite direction the object is moving, what will most likely happen?

Hannah’s mother wants to plant a garden in the spring and needs to know how deep to plant the pea seeds. To help her mother, Hannah designed an experiment. She layered small stones and soil in an aquarium. Then she planted four pea seeds at four different depths. She placed the seeds at 1cm, 2cm, 4cm and 6 cm below the surface of the soil. She watered the seeds and placed the aquarium in a sunny location. What should Hannah do next to have useful information for her mother?

1. Daren is trying to draw a conclusion based on the information provided in the investigation picture. Which conclusion is based on the information in the picture?

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?

Which is an example of the use of a renewable resource?

Which of the following supplies the energy that drives the water cycle?

It is a hot sunny morning and Sandra noticed that there were puddles on the playground pavement as she walked to school left from the rain that fell overnight. When she walked home for lunch, the puddles were gone. What is the most likely reason the puddles were gone?

The organ that controls sugar levels in your blood and releases chemicals that break down food in your small intestine is the

George wants to teach his friends what he learned in school about different groups of animals. He tells them about an animal that has scales and must live in water. This animal also breathes through gills. What group does this animal belong to?

Nicole’s teacher asked her to make a diagram of a food chain. Nicole made the diagram shown below. What do the arrows in the diagram represent?

The brown fur of the arctic hare turns white in winter. How does this color change most likely help the arctic hare?

A student added a small ball to a graduated cylinder containing 10 milliliters of water. What is the volume of the ball?

In which beaker of water will sugar dissolve the fastest?

Which diagram below shows a complete electrical circuit?

Which statement best describes what must happen in order for a person to lift an object?