TEKS

A lab team records the change of a shadow's length through the day in the table below.

The shadows length changes because---

• the Sun appears to move across the sky as Earth rotates.

• the Sun orbits Earth.

• The Sun blocks the light, forming a shadow.

• Earth revolves on its axis.

Tags

NGSS.MS-ESS1-1

Light always travels in a....

• curved path

• straight line

• around objects

An object looks broken in a cup of water as shown.

• reflection

• refraction

Tags

NGSS.MS-PS4-2

Lenses and Prisms

• reflect light

• refract light

Tags

NGSS.MS-PS4-2

• reflection

• refraction

Tags

NGSS.MS-PS4-2

Gabrielle uses a hand lens to make observations about a stamp. Why does the hand lens cause the image of the stamp to appear larger than the real stamp?

• The light is reflected.

• The light is absorbed.

• The light is amplified.

• The light is refracted.

What is the primary function of the mitochondria in a cell?

• Energy production

• Protein synthesis

• DNA replication

• Photosynthesis

Tags

NGSS.MS-LS1-2

Which of the following is a chemical change?

• Melting of ice

• Rusting of iron

• Boiling of water

• Breaking of glass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the chemical formula for table salt?

Tags

NGSS.MS-PS1-1

Which law explains the relationship between the pressure and volume of a gas at constant temperature?

• Boyle's Law

• Charles's Law

• Avogadro's Law

• Newton's Law