STAAR Review

What type of material should the wires be made out of so that they best conduct electricity?

• Nonmetal

• Metalloid

• Metal

• Ceramic

Tags

NGSS.MS-PS2-3

Why does this happen?

• The gas created in the reaction takes up more room than the space in the bottle.

• The temperature of the bottle changes which makes the stopper become too loose.

• The string, napkin, and stopper make the reaction happen too fast.

• There is too much vinegar left in the bottle.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Models are great ways of representing complex ideas with a simple representation. An example of this is the model below of the layers of the Earth.

In the diagram, how is the heat being transferred?

• Convection

• Conduction

• Radiation

• Specific

Tags

NGSS.MS-ESS2-1

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Plate tectonics is the theory that says the outer layer of the Earth is divided into "plates" that move around across the earth's surface relative to each other. Many observations and experiments have gone into this theory. Which of the following scientists is credited with foundations of the Plate Tectonic Theory?

• Alfred Wegener

• Galileo Galilei

• Carolus Linnaeus

• Antony von Leeuwenhoek

What is the primary function of the chloroplasts in plant cells?

• To break down sugar molecules to release energy

• To store water and nutrients

• To capture light energy and convert it into chemical energy

• To control the entry and exit of substances in and out of the cell

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

What is the term for the movement of particles from an area of higher concentration to an area of lower concentration?

• Osmosis

• Diffusion

• Active transport

• Endocytosis

Which of the following is a chemical change?

• Dissolving salt in water

• Boiling water

• Burning wood

• Melting ice

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the term for the amount of matter in an object?

• Weight

• Density

• Mass

• Volume

What is the process by which plants release water vapor into the air through their leaves?

• Condensation

• Transpiration

• Evaporation

• Precipitation

Tags

NGSS.MS-ESS2-4

What type of symbiotic relationship benefits one organism without harming the other?

• Mutualism

• Commensalism

• Parasitism

• Predation