Unit 7 Science Test

What are the parts of the plant shown in the image?

a

b

c

d

e

Flower

Stem

Roots

Fruit

Leaves

Tags

NGSS.4-LS1-1

The students in Mrs. Smith's third-grade class are growing 2 tomato plants. The plants do not have tomatoes on them yet.

Consider what you know about how plants grow.

Which statement provides reasoning that explains the evidence in the picture?

• The plants are attracted to each other.

• The plants are too heavy to stand upright.

• The plants are growing toward the light from the window.

• The seeds were not planted straight up in the soil, so the plants are crooked,

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

Mrs. Wiggins did an investigation that showed that a plant will bend toward an unmoving light source. Which picture shows the plant from beginning to end in her investigation?

• 
• 
• 
• 

Tags

NGSS.MS-LS1-5

Mrs. Molloy has carrots in her salad.

Which part of the carrot plant is she eating?​ (a)  

• Root
• Leaf
• Stem
• Flower
• Fruit

Which part of the environment would a fruit-tree farmer be most concerned about when fruit trees are budding?

• Light

• Touch

• Gravity

• Temperature

Tags

NGSS.MS-LS1-5

Ms. Bosler looks at the cones in the image .

What can Ms. Bosler say about the function of this part of a plant?

• It helps support the leaves

• It helps the plant reproduce

• It helps the plant make food

• It helps transport water

Tags

NGSS.4-LS1-1

Some tree blossoms are hardy. That means they can survive temperatures close to 0 degrees celsius. Others are not hardy. They are easily hurt by the cold. The table shows the hardiness of different tree blossoms. Which tree blossom would you claim would most likely survive a bad frost?​ (a)  

• mandarin
• lemon
• lime
• orange

Mrs. Bell rolls up a paper towel and puts it in a straw. She puts the straw in a glass of water and observes the movement of water from the glass up the towel. 

What does Mrs. Bell's model show?

• pathway of water from leaves to stem

• pathway of water from leaves to roots

• pathway of water from roots through the stem

• pathway of water from roots directly to the leaves

Which plant part grows downward because of gravity?

• 
• 
• 
• 

Mrs. Gould knows that plants need energy to make food.

What is a plant's energy source?

• nutrients

• soil

• sunlight

• water

Tags

NGSS.MS-LS1-6