Leap Prep

Based on the information in Table 1, which statements best describe the competition of the organisms for resources during dry and wet periods? Select all the apply

• Competition for corn increased during drier periods

• Competition for corn increased during wetter periods

• Competition between domesticated turkeys and grasshoppers stayed the same during wetter and drier periods

• Competition for resources between rabbits and mice decreased during wetter periods

• Competition for resources stayed the same during wetter and drier periods

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Based on the information in the model, which statement best explains how DDT was introduced into eagle populations?

• The eagles absorbed the DDT directly from the air

• The eagles absorbed the DDT directly from the water

• The eagles absorbed the DDT after eating large fish

• The eagles absorbed the DDT after eating zooplankton

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

The engineers observed that the skateboard floats above the track because the magnets on the skateboard ______ the magnets on the track.

• attract

• repel

• make contact with

Tags

NGSS.MS-PS2-5

When a rider steps onto the skateboard, the force between the skateboard and the track ____ .

• increases

• decreases

• stays the same

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If the magnets are removed from the skateboard, the height of the skateboard should ____.

• increases

• decreases

• stays the same

Tags

NGSS.MS-PS2-2

Which property of the objects in the model has a larger effect on the motion of moon 1?

• the orbital paths of planet 1 and planet 3

• the rotational speed of moon 2

• the force of gravity from planet 2

• the force of gravity from planet 3

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which claim about the mass of the different objects is best supported by the data in the table?

• Object 1 has the greatest mass because it is closest to the sun

• Object 2 has the greatest mass because its orbital period and distance from the sun are most similar

• Object 3 has the greatest mass because it has the largest surface gravity

• Object 5 has the greatest mass because it has the longest orbital period

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Engineers can further reduce the force of incoming space debris on the spacecraft by slightly ___ the thickness of the aluminum layer.

• increasing

• decreasing

Tags

NGSS.MS-ETS1-4

What is the primary function of the mitochondria in a cell?

• Energy production

• Protein synthesis

• Photosynthesis

• Cell division

Tags

NGSS.MS-LS1-2

Which of the following elements is a noble gas?

• Oxygen

• Nitrogen

• Helium

• Carbon