Level 3 MAP Review

Which scenario shows particles that are too small to be seen?

• Stirring water

• A seashell on shore

• Raindrops falling down from the sky

• Dissolving sugar in water

Answer explanation

Once you dissolve sugar particles in water, you can no longer see the sugar particles because they are too small to see.

Where is the force of gravity pulling towards?

• Down toward the center of Earth

• Down toward the ground

• Up toward the atmosphere

• Up toward the tallest building in the world

Which planet is the farthest away from Earth?

• Venus

• Neptune

• Jupiter

• Mercury

What do plants use for photosynthesis?

• Air, soil

• Soil

• Air, water

• Compost

Answer explanation

Plants use water and carbon dioxide from the air to carry out photosynthesis.

A star was found close to Neptune. From which planet would you be able to see the star at its brightest?

• Mercury

• Earth

• Jupiter

• Mars

What part of a lemon tree is edible?

• Fruit

• Root

• Stem

• Leaves

What is the influence of oceans on ecosystems?

• They provide homes for marine life.

• They are the reason why grasslands are present.

• They are the reason for rain.

• They are where cold-blooded animals live.

What is the hydrosphere?

• The envelope of gases that surround Earth.

• The region where living organisms interact.

• The region where rocks can be found on Earth.

• The part of Earth that is made of water.

Answer explanation

"Hydro" means water...oceans, rivers, lakes, and even clouds are included in the hydrosphere.

What is the purpose of a decomposer?

• To produce their own food

• To eat living poisonous plants

• To break down dead animals and plants

• To eat away dangerous rodents

What is needed for photosynthesis?

• Oxygen

• Electrical energy

• Nitrogen

• Light energy

Answer explanation

Light energy is another word for sunlight, and plants need sunlight for the process of photosynthesis.