Njsla-S

What season is the Northern Hemisphere experiencing at position 3?

• summer

• winter

• spring

• fall

Tags

NGSS.MS-ESS1-1

Name the phase:

• Prophase

• Metaphase

• Anaphase

• Telophase

Sulfur is a nonmetal. Of the following, the physical characteristic that is most likely to describe a sample of sulfur is —

• a shiny appearance

• brittleness

• malleability

• ductility

The table shows the number of neutrons, protons, and electrons for two atoms. How are the two atoms alike?

• They have the same charge.

• They have the same mass number.

• They have the same atomic number

• They are atoms of the same element.

Tags

NGSS.MS-PS1-1

In the diagram, the arrows labeled III point to the atom's ______________.

• Protons

• Neutrons

• Nucleus

• Electrons

Tags

NGSS.MS-PS1-1

How many of each atom are in the compound above?

• 1 magnesium atom, 2 iron atoms, and 4 oxygen atoms

• 3 magnesium atoms, 2 iron atoms, and 4 oxygen atoms

• 6 magnesium atoms, 6 iron atoms, and 12 oxygen atoms

• 3 magnesium atoms, 6 iron atoms, and 12 oxygen atoms

Tags

NGSS.MS-PS1-1

Potassium nitrate is a compound used in some fertilizers. Its chemical formula

is KNO3. How many TOTAL atoms are in each unit of potassium nitrate?

• 2

• 5

• 3

• 9

Tags

NGSS.MS-PS1-1

Look at the pictures above. A shows the bag before the vinegar and baking soda are mixed together, and B shows it after they are mixed together. In which picture do the contents of the bag have the greater mass?

• The mass is greater in A—before they are mixed.

• The mass is greater in B—after they are mixed.

• The mass is the same in both.

• The mass depends on the temperature.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the primary function of the mitochondria in eukaryotic cells?

• Energy production

• Protein synthesis

• Photosynthesis

• Cell division

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-7

Which of the following is the chemical formula for glucose?

Tags

NGSS.MS-PS1-1