Nwea Science

Chlorine is a green gas, while sodium is a soft, silver solid. Together they create a new substance of salt which is a white, brittle solid with other new properties. Why would this be considered a chemical change?

• Both substances increased in mass.

• A new substance is formed.

• No new substances are formed.

• Chlorine and sodium can be easily separated by a physical change.

Tags

NGSS.MS-PS1-2

Which of the following allows a flower to create sugars?

• Animals, Water, and Wind

• Sunlight, Water, and Air

• Moonlight, Stones, and Air

• Sunlight, Stones, and Air

Tags

NGSS.MS-LS1-6

Rod Stewart dropped apples from a tree and recorded the direction they moved. Every time he dropped apple, it went straight down. What was he testing?

• Shapes of the Apples

• Chemical Changes

• Gravity’s Push

• Gravity’s Pull

Tags

NGSS.5-PS2-1

A sheep ate the plants above and then walked around. What is the original source of energy for the sheep?

• Sun

• Plants

• The air

• Water

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the term for the path that the Earth takes as it revolves around the Sun?

• Axis

• Orbit

• Cycle

• Rotation

Tags

NGSS.MS-ESS1-2

What is the primary factor that causes the phases of the moon?

• The Earth's shadow on the moon

• The moon's rotation

• The moon's orbit around the Earth

• The sun's movement across the sky

Tags

NGSS.MS-ESS1-1

What type of rock is formed from cooled lava or magma?

• Sedimentary

• Metamorphic

• Igneous

• Crystal

What is the term for the force that pulls objects toward the center of the Earth?

• Magnetism

• Gravity

• Friction

• Tension

Tags

NGSS.MS-PS2-4

What is the term for the spinning of the Earth on its axis?

• Revolution

• Rotation

• Orbiting

• Wobbling

Tags

NGSS.MS-ESS2-6

What is the Earth's outermost layer called?

• Mantle

• Core

• Crust

• Atmosphere