SSA Practice Test

Two recent models of the atom are shown below. The modem model has replaced the Bohr model in current scientific thinking. Which of the following statements explains why the atomic model has changed?

• Evidence from new investigations led to the development of the modern model.

• Scientists developed the modern model to support a new hypothesis.

• Too many years passed after the Bohr model was developed.

• Scientists decided that the Bohr model was too complicated.

Tags

NGSS.MS-PS1-1

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?

• 9.8 m/s^2

• 8.9 m/s^2

• 10.5 m/s^2

• 7.8 m/s^2

Tags

NGSS.MS-ESS1-2

Which organelle is known as the powerhouse of the cell?

• Nucleus

• Mitochondria

• Ribosome

• Endoplasmic Reticulum

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-7

What is the process by which plants make their food using sunlight?

• Respiration

• Photosynthesis

• Transpiration

• Digestion

Tags

NGSS.MS-LS1-6

What is the boiling point of water at standard atmospheric pressure?

• 100°C

• 90°C

• 110°C

• 120°C

Tags

NGSS.MS-PS1-4

Which gas is most abundant in the Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

What is the primary function of red blood cells?

• Fight infections

• Transport oxygen

• Clot blood

• Produce hormones

Which planet is known as the Red Planet?

• Earth

• Mars

• Jupiter

• Venus