3rd Grade Science Review

Which animal is an invertebrate?

• Otter

• Crab

• Dolphin

• Snake

Answer explanation

Crabs don't have spines, so they're invertebrates.

Which animal is classified with alligators, a reptile?

• Turtles

• Sharks

• Eagles

• Otters

Answer explanation

Alligators and turtles are both reptiles because they:

Are cold-blooded

Lay eggs

Breathe using lungs

Have scaly skin

Tags

NGSS.MS-LS4-2

Paul described one of the animals from the barn.

It has moist skin.

It lays eggs

It can live underwater

Which animal is Paul describing?

• Owl

• Spider

• Lizard

• Frog

Third graders in Mrs. Miller’s class are classifying plants. Sheldon found evidence of spores on the back of the leaf. What classification category would Sheldon place the leaf?

• Flowering plant

• Nonflowering plant

• Cone producing plant

• Plants that do not reproduce

What is one characteristic horses and frogs have in common?

• They both have fur

• They both lay eggs

• They both use lungs to breathe

• They both live underwater

Which of the living organisms uses spores to reproduce?

• Mosses

• Rose bush

• Pear tree

• Pine tree

Kris and Eleanor were creating an anchor chart of how trees reproduce. Which statement is NOT one that they should include?

• Cones are seeds

• Cones are produced from flowering plants

• Spores are produced from nonflowering plants

• Spores are found in cones

Tags

NGSS.MS-LS1-4

Jeanine felt the back of a fern leaf. There were spores present. Jeanine described the spores using observations and a hand lens.

What is an inference that Jeanine can make about the spores based on an observation?

• There are 17 spores on the right side of the leaf

• The spores are bumpy

• The spores are white with a black dot on the inside of it

• I think the spores that are softer are the ones that are going to produce a new fern first because they will pop open

Answer explanation

Remember that an inference is something you think will happen, based on your observations

Fish and birds can be found in a rainforest ecosystem. They are both two different types of animal classifications. What characteristic do the animals have in common

• Both animals have scales

• Both animals lay eggs

• Both animals breathe through gills.

• Both animals live in water

The kindergarteners walk by the bushes on their way to lunch everyday. Mali pulls the leaves off the tree. Jonathan tells Mali that the bush needs the structure to make energy. What claim supports Jonathan’s statement

• The leaves absorb the nutrients to make the plant’s food

• The leaves absorb the Sun’s energy to make the plant’s food

• The leaves carry the water to make the plant’s food

• The leaves carry the nutrients to make the plant’s food

Answer explanation

The leaves of a plant photosynthesize light from the sun to make the plant's food.

Tags

NGSS.MS-LS1-6