Science Test Practice Day 05

Light travels in the form of waves. The diagram below shows the path of a light wave moving from medium A to medium B. Which of the following occurs when the light wave enters medium B?

• The light wave stops moving.

• The light wave's speed changes.

• The light wave does not change.

• The light wave changes to a sound wave.

Tags

NGSS.MS-PS4-2

A book sits on a desk. Which of the following must happen before an electrical force can act on the book?

• A magnet must be placed by the book.

• Electricity must flow through the book.

• The book must start moving across the desk.

• An electrical charge must build up on the book.

Millions of years ago, a mass extinction of nearly all the dinosaurs occurred. This extinction included the herbivore Protoceratops. Many scientists think that a massive meteorite crashed into Earth. The impact sent up large clouds of dust that blocked out sunlight for months or even years. Which of the following explains how the impact could have caused Protoceratops to become extinct?

• Plants did not have enough sunlight to make their own food.

• Protoceratops did not have enough sunlight to make its own food.

• The dust settled and covered the plants that Protoceratops used as food.

• The animals that Protoceratops used as food could not find enough plants to eat.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Maria wrote the following list of electromagnetic waves on the board: radio waves, infrared light, ultraviolet light, gamma rays. Which of the following describes the order in which she listed the electromagnetic waves?

• from highest to lowest speed

• from lowest to highest frequency

• from shortest to longest wavelength

• from least visible waves to most visible waves

Sea grape is a native shrub with wide green leaves that grows on Florida's coastal dunes. Which of the following statements describes sea grape?

• It uses chlorophyll to trap the energy in sunlight.

• It uses chlorophyll to produce carbon dioxide.

• It stores and releases chlorophyll as waste.

• It breaks down chlorophyll as food.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

An alligator's digestive system breaks down food, and its excretory system removes waste products. Which of the following do these and other organ systems make up?

• a cell

• a tissue

• an organ

• an organism

Tags

NGSS.MS-LS1-3

Two objects at different temperatures are arranged as shown in the diagram below. If the objects are left in contact with each other, which of the following describes what will occur?

• Heat will flow from object X to object Y until object Y is warmer than object X.

• Heat will flow from object Y to object X until object X is cooler than object Y.

• Heat will flow from object Y to object X until both are the same temperature.

• Heat will flow from object X to object Y until both are the same temperature.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

To make cookie dough, Ella mixes together ingredients including oats, raisins, eggs, sugar, and flour. Then, to make cookies, Ella bakes the cookie dough in an oven. Which of the following best describes the change from cookie dough to cookies?

• a chemical change caused by a change in temperature

• a physical change caused by a change in temperature

• a chemical change caused by a mixing of ingredients

• a physical change caused by a mixing of ingredients

Tags

NGSS.MS-PS1-2

Ms. Vega drives a school bus at a constant speed along a straight road to school. Which of the following graphs best shows the relationship between the distance Ms. Vega traveled and the time she spent driving?

• 
• 
• 
• 

A planet's year is equal to its period of revolution. Which of the following planets has the longest year?

• Jupiter

• Mercury

• Neptune

• Venus

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4