Science

April 21 and April 22

Warm Up

• Have you noticed any trees or flowers blooming outside?

• Explain in a complete sentence why you think flowers and tress are starting to bloom now in April?

Volunteers….

• Have you noticed our days are….• Getting warmer• We are having longer amounts of sunlight• We tend to have a rainy spring season

Have you heard of the saying “Spring Showers Bring May Flowers”

Worksheet Activity – at your seat

• Follow along as we work together to complete our “Parts of a Flower” worksheet

Complete as we go…

The function of the flower in a plant is to allow _________________________.

The function of the flower in a plant is to allow REPRODUCTION.

Fill in the blanks….

The process of the male part of a plant fertilizing the female part of a plant, through pollen, is called _____________________.

The process of the male part of a plant fertilizing the female part of a plant, through pollen, is called POLLINATION.

Worksheet

• Part 1:• You will write the function of each flower part

in the space provided

• Part 2:• You will color only that specific flower part

Flower diagram• You will need 6 different colors – use the

materials on your desk

Petals Attract insects and bees to the flower for

pollination

SepalsGreen, leaf-like structures around the petals to

protect the growing flower

StamenThe male reproductive structure, holds the

ANTHER

AntherProduces the pollen than contains the sperm (to

fertilize female part)

PistilThe female reproductive structure, in center of

flower

OvaryAt the bottom of the pistil, contains the ovules

which hold the eggs

Study Jams Video

• http://studyjams.scholastic.com/studyjams/jams/science/plants/flowers.htm

• As you listen to the video, follow along using your worksheet as they talk about each flower structure

Pollination Steps

1. _________ attract, birds, bees, or other animals that can carry _________, called _____________.

1. PETALS attract, birds, bees, or other animals that can carry POLLEN, called POLLINATORS.

Pollination Steps

2. ___________ from the ______________ rubs off on the _____________________.

2. POLLEN from the ANTHER rubs off on the POLLINATOR.

Pollination Steps

• 3. The pollinator carries that ________________ to the _____________ of the same or a different flower (“______________________”)

• The pollinator carries that POLLEN to the PISTIL/OVARY of the same or a different flower (“FERTILIZATION”)

Pollination Steps

• 4. The _______________ of that flower grows into the fruit or vegetable

• 4. The OVARY of that flower grows into the fruit or vegetable

Flower Lab

• Follow along as we complete this lab• Each person must answer ALL questions for credit

in complete sentences• We will finish this lab tomorrow in class• Table partners ≠ copying answers! • Discuss with your table partner but don’t copy off

one another

Lab Expectations

• Be in your SEAT working with your table partner

• Raise your hand quietly if you have questions• Low voices in your group – should hear MUSIC• Take turns – ONE person touches flower at a

time• Answer questions AS YOU GO as a GROUP!

BE GENTLE with the FLOWERS!

Flower Lab

PLEASE BE NICE TO THE FLOWERS!!!

Don’t touch them unless the directions say so.When you touch them, be gentle!!

If you are not nice to the flowers, you will do bookwork – we only have limited flowers and we can’t afford to have them ruined