Plant Tropisms

Students observed a plant left by a window over several days. The plant was watered daily. After three days, the plant began to grow towards the window as shown in the picture.

Which of the following best explains the student’s observations?

• Heat from the Sun caused the plant to grow towards the window.

• The plant is leaning towards the window to get fresh air.

• The plant is responding to the stimulus of sunlight.

• The plant is responding to water in the air and growing towards it.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Phototropism is a plant response to...

• water

• gravity

• light

• friction

Tags

NGSS.MS-LS1-5

In which direction does gravity make the roots grow?

• down

• up

• sideways

• upside down

Tags

NGSS.MS-LS1-5

How does water affect the roots of plants?

• roots grow away from water

• roots grow towards water

• roots are not affected by water

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

In which direct will roots of the plants grow?

• in the direction of water and the pull of gravity

• in the direction of moisture only

• in the direction of gravity only

• in the direction of water and away from the pull of gravity

Tags

NGSS.MS-LS1-5

What is insects carrying pollen from one plant to another known as?

• Anther

• Pollination

• Geotropism

• Phototropism

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-4

What is the plants response to touch from another object known as?

• Phototropism

• Gravitropism

• Thigmotropism

• Geotropism

Label the parts of the plants. Don't worry about #4

a

b

c

d

Stem

Leaf

Roots

Flower

Tags

NGSS.4-LS1-1

Match the following parts of the plant to their functions.

• Absorb sunlight for photosynthesis

• Stem

• In charge of reproduction for the plant.

• Flower

• Transports water and nutrients / support

• Leaves

• Absorb water and nutrients from soil

• Roots

Tags

NGSS.4-LS1-1

Which part of the plant is in charge of transporting food and sugars from the leaves to the rest of the plant?