STAAR

Which statement best describes an electron?

• Smaller mass than a proton and a negative charge

• Smaller mass than a proton and a positive charge

• Greater mass than a proton and a negative charge

• Greater mass than a proton and a positive charge

Tags

NGSS.MS-PS2-3

Four students were asked to complete a table for a science assignment. Each student selected one chemical element from each of four groups in the periodic table and then classified each element as a metal, nonmetal or metalloid. Which table was completed correctly?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

Students were asked to identify the location of elements in the periodic table based on clues printed on game cards. Based on the data, which periodic table shows the correct location of the four elements?

*the answer choices (F, G, H & J) are the same in the question image and the answer choice images...trying to make it so you can zoom in to see the answers!

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Tags

NGSS.MS-PS1-1

In this image, the information to the RIGHT of the arrow (in BLACK) is called the_______.

• Product

• Reactant

• Chemical Subscript

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-LS1-6

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

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

• Weight

• Density

• Mass

• Volume

Which of the following is NOT a renewable resource?

• Solar energy

• Wind energy

• Coal

• Hydroelectric power

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

• Mutualism

• Commensalism

• Parasitism

• Predation

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