CMS Midterm Review

Which of the following best describes an electron?

• it has a positive charge smaller than a proton

• it has no charge smaller than a proton

• it has a negative charge smaller than a proton

• it has a negative charge same size as proton

Tags

NGSS.MS-PS2-3

Which answer choice correctly describes the location and charge of electrons in an atom.

• negative and inside the nucleus

• negative and outside the nucleus

• postitive and inside the nucleus

• no charge and inside the nucleus

What types of particles are found outside the nucleus of an atom?

• negative particles only

• positive particles only

• neutral particles only

• positive and neutral particles only

Which of the following is the smallest unit of life that can carry out all life functions?

• the mitochondria
• the vacuoles
• the nucleus
• the cell

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which structures are found in every living cell?

• cell membrane and cytoplasm
• chloroplasts and mitochondria
• a cell wall and nucleus
• chloroplasts and cell wall

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which cell structure is found in plant and animals cells and controls what can come into or leave a cell?

• cell membrane
• cytoplasm
• nucleus
• vacuole

Tags

NGSS.MS-LS1-2

What is the function of a cell wall?

• to protect and support the cell
• to perform different functions in each cell
• to prevent water from passing through it
• to prevent oxygen from entering the cell

Tags

NGSS.MS-LS1-2

Which has a chloroplast?

• Prokaryote
• Plant Cell
• Animal Cell

Tags

NGSS.MS-LS1-6

The subatomic particle with a negative charge is the

• electron
• proton
• neutron
• nucleus 

Which of these best describes an electron?

• It has no charge and about the same mass as a proton.

• It has a negative charge and much less mass than a proton.

• It has a positive charge and much more mass than a neutron.

• It has a negative charge and about the same mass as a neutron.

Tags

NGSS.MS-PS2-3