Lesson 2

When a gas changes to a liquid, _______________ occurs.

• evaporation

• condensation

• gas

• vapor

Tags

NGSS.MS-PS1-4

White, puffy clouds that look like cotton balls are called _____________ clouds.

• stratus

• cumulus

• cirrus

• anemometer

Tags

NGSS.MS-ESS2-4

The three types of muscle cells in the muscular system are...

• neurons, blood, arteries

• cardiac, skeletal, and smooth

• heart, skull, liver

Tags

NGSS.MS-LS1-3

Which of the following is stored in the skeletal system?

• potassium

• calcium

• sodium

• phosphorous

A thick, hard outer covering that protects and supports an animal's body (like the scorpion) is called...

• hydrostatic skeleton

• exoskeleton

• shell-eton

What type of stem does the flower pictured above have?

• herbaceous stem

• woody stem

Which of the following plant structures helps the plant absorb water an other minerals from the soil?

• the stem

• the roots

Tags

NGSS.5-LS1-1

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

• Photosynthesis

• Respiration

• Transpiration

• Digestion

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is a chemical change?

• Melting of ice

• Boiling of water

• Rusting of iron

• Breaking of glass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the basic unit of life?

• Atom

• Molecule

• Cell

• Organ

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2