Grade 4 Quarter 2 Review

What happens to the small rock pieces after erosion?

• They are carried away.

• They become larger.

• They turn into sand.

• They stay in place.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

What property of a mineral can be determined by rubbing it against a porcelain plate?

• Luster

• Cleavage

• Streak

• Crystal shape

What is the name and role of Part A of the flower

• the stamen, which is the male flower part

• the anther, which releases pollen

• the stigma, which accepts pollen from the air

• the ovary, which houses egg cells and where fertilization occurs

The 4th grade science class is studying how flowering plants make seeds. What is the first step in seed production?

• Pollen fertilizes the egg in the ovary.

• Pollen travels down the pistil to the ovary.

• Pollen lands on the pistil, a female flower part.

• The male flower parts make and release pollen.

What happens after pollen lands on the pistil in the process of seed production?

• The fertilized egg grows into the embryo of a new plant.

• Pollen travels down the pistil to the ovary.

• Pollen fertilizes the egg in the ovary.

• The male flower parts make and release pollen.

What happens after pollen fertilizes the egg in the ovary?

• The plant wilts.

• The fertilized egg grows into the embryo of a new plant.

• The flower changes color.

• The plant stops growing.

Tags

NGSS.MS-LS1-5

In the seed production process, what follows after pollen travels down the pistil?

• The fertilized egg grows into an embryo.

• Pollen fertilizes the egg in the ovary.

• The male flower parts release pollen.

• The plant produces fruit.

What is the role of the fertilized egg in the plant life cycle?

• It becomes a seed.

• It becomes a flower.

• It becomes a leaf.

• It becomes a root.

What happens to seeds when they are spread by birds?

• They dissolve in water

• They grow into new plants

• They turn into flowers

• They become rocks

Tags

NGSS.MS-LS2-3

What is the role of pollination in a plant's life cycle?

• To start seed growth

• To transfer pollen

• To add nutrients

• To spread seeds

Tags

NGSS.MS-LS1-4