Practice Test

Which statement best describes the animals that the ancient flea used as a food source?

• The animals were immune to the ancient flea.

• The animals were larger.

• The animals were smaller.

• The animals were a different color from the ancient flea.

What did the string represent in the rubber stopper model of our solar system?

• circular orbits

• the sun

• magnetic force

• gravitational force

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Which statement is true about the Sun, Earth, Moon and tides?

• The moon has a greater gravitational influence on tides because the Sun is farther away

• The sun is more massive than the moon and therefore has a greater gravitational force on tides.

• The Sun has a greater influence on tides due to it's orbit around Earth

• The moon has more mass and more gravitational force on tides than the Sun

Tags

NGSS.MS-ESS1-1

NGSS.MS-PS2-4

At what point on the picture is the Earth's gravitational pull the greatest?

• Y

• W

• x

• Z

Tags

NGSS.MS-ESS1-2

Which statement best describes the picture?

• Two large objects have more gravitational force on one another than two small objects.

• As mass decreases, gravitational force increases.

• As mass increases, gravitational force decreases.

• As distance increases, gravitational force decreases.

Tags

NGSS.MS-PS2-4

If your specimen is out of focus, which part should you adjust?

• 1

• 2

• 3

• 4

What is the chemical formula for water?

Tags

NGSS.MS-PS1-1

Which of the following is a renewable energy source?

• Coal

• Natural Gas

• Solar Energy

• Nuclear Energy

What is the acceleration due to gravity on Earth?

Which organelle is known as the powerhouse of the cell?

• Nucleus

• Mitochondria

• Ribosome

• Endoplasmic Reticulum

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-7