8th Grade STAAR Review

This part of the atom has very little mass but takes up most of the space of the atom (contains negatively charged particles).

• Positron
• Proton
• Electron
• Neutron

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NGSS.MS-PS1-1

Find Magnesium on the periodic table. An atom of Magnesium is most likely to bond with which of the following elements?

• Berylium
• Oxygen
• Helium
• Iron

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NGSS.HS-PS1-1

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Which of the following is the best example of an element, not a compound?

• NO

• Br₂

• NH₃

• CO₂

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NGSS.MS-PS1-1

How Many Valence Electrons does this family of elements have?

• 1
• 2
• 3
• 4

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NGSS.MS-PS1-1

There is competition for resources between:

• Brittle Brush and Saguaro Cactus
• Armadillo and Peccary
• Stomach Worm and Gila Monster
• Banded Gecko and Peccary

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NGSS.MS-LS2-1

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The part of a Cell in a Eukaryote that contains the genetic information is called

• Cell Membrane
• Vacuole
• Nucleus
• Mitochondria

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NGSS.MS-LS1-2

Which organism is the producer in this food web?

• Zooplankton
• Small Fish
• Filter Feeders
• Phytoplankton

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NGSS.MS-LS1-6

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What does cell theory say?

• All Living things are made of cells
• All cells come from pre-existing cells
• cells are the basic unit of life
• All of these answers are correct

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NGSS.MS-LS1-1

Mistletoe is a plant that grows attached to the branches of trees or shrubs. The presence of mistletoe negatively affects the growth of trees because it robs the tree of nutrients and water. Which of the following correctly describes the role of mistletoe?

• Parasite
• Prey
• Host
• Predator

Tags

NGSS.MS-LS2-2

How much force is required to accelerate a 250 kg box to 6 m/hr²?

• 1500 N
• .024 N
• 41.666 N
• 15,000 N

Tags

NGSS.MS-PS2-2