In a food chain, energy from the sun is transferred from one organism to another. Which of the following food chains shows the transfer of energy from a producer to a consumer to another consumer?

The vine called kudzu covers large areas of Florida.

This plant is both helpful and harmful to other organisms.

Which of the following is NOT a way that kudzu helps other organisms?

Some characteristics of animals are inherited, and some are learned. Miguel observed different characteristics of animals. The table below shows how he recorded and classified the different kinds of characteristics he observed.

Which characteristic did Miguel record in the wrong column of the table?

Charles pushes a shopping cart. How can he increase the speed of the cart?

Angela and John conducted separate investigations to find out if yeast makes banana slices decay faster. They each put one banana slice in a jar by itself and another banana slice in a jar with some yeast. After 10 days, Angela concluded that yeast does make banana slices decay faster. After 7 days, Juan concluded that yeast does not make any difference. Which of the following best compares their investigations?

Two beakers with equal amounts of liquids are shown above. One beaker contains water and the other beaker contains vinegar.

Which property provides the best way to identify the kind of matter in each beaker?

A lamp represents the sun in a model of the solar system. Different pieces of fruit represent the inner planets. The pieces of fruit are placed in the following order, from closest to farthest from the lamp: a grape, an apple, an orange, and a plum. Which fruit represents Earth in this model?

In an energy transformation, energy is transformed from one form into another. Jackson drew four pictures to show four different kinds of energy transformations. Which of the following pictures that Jackson drew represents electrical energy being transformed into heat energy?

Because consumers cannot make their own food, they must get energy from other consumers or producers. Which of the following statements describes an event in which the energy stored in a producer is passed to a consumer?

In which two groups of animals would a snake be classified?

On Earth Day, Taylor’s science club plants a young oak tree in the school yard. In which direction will the roots most likely grow?

Astronomers classify some space objects according to whether or not they give off their own light. The object pictured above is one such object in our solar system.

In which group would this object be classified?

To make a dull coin shiny, Luca polished the coin by rubbing it with a soft cloth. When he was finished, he noticed that the coin felt warmer than before he polished it.

Which of the following best explains why the coin felt warmer?

Windy weather includes high wind speeds. Fair weather includes lots of sunshine and no precipitation. During which day did Hannah observe windy and fair weather in Jacksonville?

To measure weather, scientist use tools. Which of the following tools did Hannah most likely use?

Scientists conduct different kinds of investigations. Which of the following describes why Hannah's investigations was NOT an experiment?