(Nature of Science)

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?

• a. the grape

• b. the apple

• c. the orange

• d. the plum

Tags

NGSS.MS-ESS1-1

(Earth in Space and Time)

A factory releases wastes into a nearby river. Landon notices dead fish in the river. He infers that the wastes are harmful to the fish in the river. Which of the following observations would provide the best evidence to support Landon’s inference?

• a. when the wastes decrease, the number of healthy fish does not change

• b. when the wastes decrease, the number of healthy fish decreases

• c. when the wastes increase, the number of healthy fish decreases

• d. when the wastes increase, the number of healthy fish increases

Tags

NGSS.MS-LS2-4

(Earth Structures)

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

• a. Limestone

• b. Oil

• c. Phosphate

• d. Water

Tags

NGSS.MS-ESS2-4

(Earth Systems and Patterns)

Scientific studies show that people with arthritis feel more pain when the humidity is high. When is someone with arthritis more likely to feel pain?

• a. When the sun is shining, and there are no clouds in the sky.

• b. When a storm with thunder and lightning is approaching.

• c. When the wind is blowing more than 20 knots per hour.

• d. When a snowstorm has ended.

Tags

NGSS.MS-ESS2-5

(Properties of Matter)

Mrs. Stedman has a mixture of steel buttons and wooden beads. The buttons and beads are about the same size and shape, but they are different colors. Steel is made from different metals, including iron. Which of the following is the best way to separate the parts of this mixture?

• a. passing them through two strainers with holes of different sizes

• b. soaking them in water until the wooden beads dissolve

• c. picking the steel buttons out with tweezers

• d. using a magnet to attract the steel buttons

(Changes in Matter)

Matter changes in many ways. The picture below shows one way in which matter changes. Which of the following best describes this change?

• a. a chemical change caused by matter breaking down

• b. a physical change caused by mixing matter together

• c. a chemical change caused by heating matter

• d. a physical change caused by heating matter

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

(Forms of Energy)

When Maria plugs in and turns on her new alarm clock, the alarm sounds ringing. Which energy transformation takes place?

• a. electrical energy changes to solar energy

• b. chemical energy changes to sound energy

• c. electrical energy changes to sound energy

• d. sound energy changes to mechanical energy

(Forces and Changes in Motion)

When James tries to lift his backpack filled with books, he finds it hard to do. Which force pulls down on the backpack when James tries to lift it?

• A, magnetic force

• b. electrical force

• c. Angel’s pull

• d. gravity

Tags

NGSS.MS-PS2-4

(Organization of Living Organisms)

Samson spotted an animal in his yard that he had never seen before. It was lying on top of a pile of eggs. He could also tell that the animal's skin was tough and scaly. Based on this information, what kind of vertebrate was Samson most likely looking at?

• a. an amphibian

• b. a bird

• c. a mammal

• d. a reptile

(Heredity and Reproduction)

Ferns and mosses both lack flowers and seeds, yet both mosses and ferns are able to reproduce. What is the first stage of the life cycle of both mosses and ferns?

• a. adult

• b. spore

• c. shoots

• d. bud