Half-Time Review Units 1 to 4 (EOG)

What is the first thing a student should do if an accident happens during a science experiment?

• report to the teacher

• clean the laboratory station

• locate the nearest exit

• put on safety goggles

Which device is used to determine the volume of a liquid?

• anemometer

• graduated cylinder

• test tube

• thermometer

Which is a compound?

• sodium

• sugar

• nitrogen

• air

Tags

NGSS.MS-PS1-1

Two different liquids are poured together in an open container. Bubbles begin to form. After the bubbling stops, it is determined that the total weight of the two liquids is less than before they were poured together. Which best describes the observation?

• Some of the atoms during the reaction escaped into the air

• Some of the atoms during the reaction were destroyed

• Some of the atoms during the reaction became heavier.

• Some of the atoms during the reaction changed into a different kind of atom.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

This is a chemical reaction for the decomposition of carbonic acid into water and carbon dioxide. How does the reaction support the Law of Conservation of Mass?

• Several molecules of water are produced.

• The mass of carbon atoms is reduced during the reaction

• The mass of the atoms in the reactants equals the mass of the atoms in the products.

• The mass of the hydrogen atoms is the only thing that remains the same before and after the reaction.

Tags

NGSS.MS-PS1-5

Which best describes a method of obtaining energy that may cause changes in water temperature and harm fish population?

• burning coal

• using ethanol in cars

• installing solar panels at home

• generating electricity in a hydroelectric power plant

Tags

NGSS.MS-LS2-5

Which is a nonrenewable resource?

• oil

• sunlight

• water

• wood

A geologist identifies the identical index fossils in rock layers from two different areas. Which conclusion is best supported by this discovery?

• The deposition rate of the two rock layers was identical.

• The fossil organism evolved independently in the two separate areas.

• The two rock layers were deposited at approximately the same time.

• The index fossils will also occur in sediment deposited on top of these rock layers.

Tags

NGSS.MS-ESS1-4

Which supports the theory that some mountains were once at the bottom of an ocean?

• There are underwater mountains on the ocean floor today.

• Freshwater rivers flow to the oceans.

• Fossils of marine organisms are found on the tops of some mountains.

• Both mountains and ocean floors have similar minerals in their rocks.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

What would have the greatest long term impact on reducing the amount of carbon dioxide in the air?

• planting trees around a farm

• cutting down trees around a farm

• increasing the number of livestock on a farm

• decreasing the number of livestock on a farm

Tags

NGSS.MS-LS1-6