Interactions

When an apple falls to the ground, what is happening?

____ pulls the apple ____ towards the Earth

• Friction, down

• Gravity, down

• Gravity, out

• Weight, in

Tags

NGSS.MS-PS2-4

Which of the following best explains why Sirius appears brighter than Pollux in our nighttime sky?

• Sirius has a different color than Pollux

• Sirius has different gases than Pollux

• Sirius is closer to Earth than Pollux

• Sirius is farther that Pollux

Based on these data, why does the Sun appear to be the brightest star from Earth?

• The Sun is a yellow star.

• The Sun is the hottest star

• The Sun is the closest star to Earth.

• The Sun is the farthest star from Earth.

In the winter night sky above Mississippi, the constellation Orion, the hunter, can be observed. The three stars of Orion’s belt are easy to identify. Orion can be seen until May. Which statement best explains why Orion cannot be seen during the summer in Mississippi?

• The orbit of Earth on its axis shifts Orion to the daytime sky.

• The rotation of Earth on its axis shifts Orion to the daytime sky

• The orbit of Earth around the Sun places the Sun between Earth and Orion.

• The rotation of Earth around the Sun places the Sun between Earth and Orion.

Tags

NGSS.MS-ESS1-1

Record the letter of the Moon phase in the box that correctly completes the model.

• 
• 
• 
• 

Tags

NGSS.MS-ESS1-1

Below is an image of photosynthesis. What is NOT an INPUT to create photosynthesis?

• Oxygen

• Sunlight

• Carbon dioxide

• Water

Tags

NGSS.MS-LS1-6

A student made the ocean food chain shown.

Ocean Food Chain

plankton-----> krill --------> penguin ---------> seal ----------> orca

By using the energy pyramid, which level displays where the organism has the MOST energy.

• Level 1

• Level 2

• Level 3

• Level 4

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which two organisms would most likely increase in population size if the shrew population were eliminated by disease?

• owl

• aphid

• beetle

• caterpillar

• wood louse

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

A student plans to add a solid to a container of water. The student wants the solid to dissolve quickly. Which two actions would help the solid dissolve the most quickly into the water?

• stirring the water after adding the solid

• placing a lid on the container after adding the solid

• placing the container with the solid and water in a dark area

• placing the container in a bowl of ice before adding the solid

• crushing the solid into smaller pieces before adding it to the water

What is the dependent variable in this investigation?

• size of solid

• time to dissolve

• amount of water

• temperature of water