STP

How many kids did the mother and father from the first generation have?

• 2

• 4

• 5

• 6

In the punnett square shown, what must the genotype of the missing parent be?

• BB

• Bb

• bb

• Tt

Tags

NGSS.HS-LS3-1

The diagram represents a structure found in the nucleus of a cell. Some genes are represented by dark bands. Other genes are represented by white bands. Identify the name of the structure represented in the diagram that is composed of genes

• Chromosome

• Nucleus

• Chrome

• Nucleolus

Your body cannot make antibodies for pathogens that you have never been in contact with.

• True, because your body needs to encounter the pathogen at least once in order to create the antibodies.

• False, because you can make antibodies via immunizations given by a doctor.

List the steps of the scientific method

d

e

f

c

b

a

Draw conclusions

Form a hypothesis

Analyze results

Communicate results

Conduct experiment

Ask a question

Tags

NGSS.MS-LS1-5

All of the following are examples of white blood cells EXCEPT

• T cells

• Phagocytes

• Antibodies

• B Cells

Tags

NGSS.MS-LS1-3

Which of the following statements is TRUE about someone's immune system that has allergies?

• Body cells are dividing at an uncontrolled rate.

• The body is reacting to foreign materials that are not actually dangerous.

• T cells and B cells in the body cannot be activated.

• The body is mistaking its own cells for foreign antigens.

Tags

NGSS.MS-LS1-3

Throughout the day, Jared observed the sun in the positions shown above. Why does the sun’s position change in this way?

• because the moon moves around the Earth

• because the sun moves around the Earth

• because the Earth moves around the sun

• because the Earth rotates on its axis

Tags

NGSS.MS-ESS1-1

Several groups of students investigated how mold grows. Each group placed a piece of bread in a plastic bag and put two drops of water on the bread. Then they kept the bread in a dark, warm place. Three days later, they observed the bread. The table above shows their observations. Which of the following best compares the students’ observations?

• Lee’s and Rebecca’s groups observed the most mold growth.

• All the groups but Ian’s observed mold growth.

• All the groups made the same observations.

• All the groups but Jamal’s observed mold growth.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Why does the light from the sun reach Earth faster than any other star?

• It is the largest star.

• It is the closest star to Earth.

• It is a giant ball of glowing gases.

• It is the farthest star from the moon.

Tags

NGSS.MS-ESS1-1