Which of the following is a reasonable explanation that can be inferred from the evidence in the graph?

• The squirrels have plenty of food to eat.

• The number of squirrels will decrease in 2016.

• Squirrels are being hunted by a new predator.

• The squirrels do not have enough water.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

How would the population of these organisms change if the owls moved out of the ecosystem?

• The population of skunks would increase and the population of opossums would decrease.

• The population of all organisms would decrease.

• The population of skunks and opossums would increase.

• The population of all organisms would increase.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following lists the blocks in order from least to greatest mass? (a)  

• X, W, Y, Z
• Z, Y, W, X
• Z, W, Y, X
• W, X, Y, Z

Tags

NGSS.5-PS1-2

A lab team conducted an investigation to determine which type of soil best retained water. They set up four 100ml graduated cylinders and placed a funnel and coffee filter in each. They put the same volume of four different types of soil in each filter. Finally, they measured the amount of water in the graduated cylinders that had filtered through the soil. Their data table is here. (a)  

• A
• B
• C
• D

The pans on the double pan balance below contain an equal amount of mass. Each hexagram weight is labeled with the mass in grams. What is the mass of the circular object? (a)  

• 34 g
• 24 g
• 108 g
• 24 mg

Tags

NGSS.5-PS1-2

A student set up an investigation to determine the effect of fertilizer on zinnias. He kept all variables the same except for the fertilizer.

Which of the following is a reasonable explanation that can be inferred from the evidence in the graph?

• Zinnias grow more flowers with no fertilizer.

• Zinnias grow taller when provided with fertilizer.

• Zinnias need fertilizer to grow.

• Zinnias given fertilizer had slower growth in Week 4.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

A teacher asked the students in her class to measure the lengths of four different leaves. The students did not use the same unit of measurement. Their measurements are shown. (a)  

• Leaf 4, Leaf 1, Leaf 2, Leaf 3
• Leaf 1, Leaf 3, Leaf 4, Leaf 2
• Leaf 2, Leaf 4, Leaf 3, Leaf 1
• Leaf 2, Leaf 3, Leaf 4, Leaf 1

Students collected the data above and want to know why temperatures are higher when there are more hours of daylight. Which of the following best explains the data in the table?

• The angle of the sun causes changes in temperature.

• More sunlight leads to lower temperatures.

• Less sunlight leads to higher temperatures.

• Winter in Austin is warmer than most places.

Tags

NGSS.MS-ESS1-1

NGSS.MS-PS3-4

Throughout the day, a student measured the shadow of a stick set up vertically on the ground outside. The data table displays her measurements.

Which of the following explains the data in the table?

• the Sun’s orbit around Earth

• Earth spinning on its axis

• the rotation of Earth’s moon

• the revolution and rotation of the Sun

Tags

NGSS.MS-ESS1-1

A teacher poured water into two different cups, placed a thermometer in each, and recorded the change in temperature over the next 20 minutes. Which of the following statements is definitely true?

• Cup 2 contains more water than Cup 1.

• Both cups have reached room temperature.

• Cup 2 is in a different location than Cup 1.

• The temperature of the water in both cups has decreased.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4