Science Review NGSS

Which of the following is a sign that a chemical change has taken place?

• The substance is smaller

• The substance has changed states

• A gas is produced

• The substance has been divided

Tags

NGSS.MS-PS1-2

How are physical and chemical changes different?

• Physical changes cannot be reversed, while chemical changes can be reversed

• Chemical changes result in a new substance, while physical changes do not result in a new substance

• Chemical changes involve adding chemicals and physical changes do not

• Physical changes involve adding chemicals and chemical changes do not

Which of the following is a description of a solid substance?

• Substance A has definite shape and definite volume

• Substance B takes the shape of its container and has a definite volume

• Substance C takes the shape of its container and does not have a definite volume

• Substance D does not exist

What is happening when ice cream is changing form a solid to a liquid?

• Evaporation

• Condensation

• Freezing

• Melting

Tags

NGSS.MS-PS1-4

What are the four main Earth systems?

• Atmosphere, Hydrosphere, Biosphere, Geosphere

• Atmosphere, Lithosphere, Biosphere, Cryosphere

• Hydrosphere, Biosphere, Cryosphere, Mantle

• Atmosphere, Hydrosphere, Lithosphere, Ecosphere

Answer explanation

The correct answer is Atmosphere, Hydrosphere, Biosphere, Geosphere, as these are the four main Earth systems that interact and influence each other.

How does the water cycle contribute to Earth's systems?

• By transporting nutrients through the atmosphere

• By providing energy for the Earth's rotation

• By moving water between the Earth's surface and atmosphere

• By changing the composition of the Earth's crust

Answer explanation

The water cycle contributes to Earth's systems by moving water between the Earth's surface and atmosphere, facilitating various processes and maintaining balance.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

What is the main cause of seasons on Earth?

• The Earth's distance from the sun

• The Earth's rotation on its axis

• The tilt of the Earth's axis

• The moon's gravitational pull

Answer explanation

The main cause of seasons on Earth is the tilt of the Earth's axis.

Tags

NGSS.MS-ESS1-1

Which of the following mixtures will create a solution?

• Sugar, salt, and flour

• Sugar and water

• Chocolate, peanuts, and raisins

• Water and oil

Which of the following is an examples of chemical change?

• Soaking paper in water

• Burning paper

• Ripping paper

• Folding paper

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is matter?

• One substance spreads evenly throughout another substance

• A change in the physical properties such as size and shape

• A special mixture when one substance dissolves into another

• Anything that takes up space and has mass