Fourth Grade Science

_{What is the purpose of petals on a flower?}

• Attract pollinators to transfer their pollen to other flowers

• Soak in sunlight for photosynthesis

• Make seeds to reproduce more plants

Tags

NGSS.MS-LS1-4

This long part of the plant acts like an "elevator" carrying water and nutrients to the leaves and flower part of the plant.

• roots

• stem

• leaves

• flower

Tags

NGSS.MS-LS2-3

Plants need the following:

• air, water, space, sunlight

• air, water, oxygen, space

Tags

NGSS.5-LS1-1

A bunny is brown in the spring. Why does the bunny change to a white color in the winter?

• Camoflage

• Hibernation

• Migration

• Because it wants to

What is sublimation

• Solid to gas

• Gas to solid

• Gas to liquid

Tags

NGSS.MS-PS1-4

Land breeze happens ?

• At night

• At morning

• At dawn

Tags

NGSS.MS-ESS2-6

During pollination, pollen is transferred from a stamen to a __________________.

• petal

• stem

• sepal

• stigma

A student rubbed a plastic comb with a piece of wool cloth then placed the comb near a stream of water. The water bent toward the comb as shown because of -

• thermal energy

• static electricity

• magnetism

• gravity

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which of these represents a correct flow of energy based on the food web shown?

• Loggerhead Turtle --> Horseshoe Crab --> Razor Clam

• Horseshoe Crab --> Loggerhead Turtle --> Sanderling

• Diamondback Terrapin --> Razor Clam --> Plankton

• Razor Clam --> Horseshoe Crab --> Sanderling

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

The plants are most likely responding to which factor in the environment?

• Light

• Water

• Oxygen

• Carbon dioxide

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-1