Science 4th Grade Unit 4 Review

Harper put a plant inside a closed jar, just as you see here, and set it by the window where it got lots of sunlight. Every hour she checked the amount of oxygen in the jar and recorded the data in the table below.

What most likely caused the increase in the amount of oxygen?

• The plant used up all the oxygen.

• The plant performed photosynthesis.

• The sunlight forced the oxygen out of the soil.

• The oxygen transformed into water.

Tags

NGSS.MS-LS1-6

Every organism is made of parts that work________to carry out life processes.

• separately

• against each other

• one after another

• together

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3

Green plants use the process of________to create food (sugar) using energy from the sun.

• photosynthesis

• reproduction

• respiration

• fertilization

Tags

NGSS.MS-LS1-6

Which statement correctly explains how plants and animals obtain energy?

• Plants make their own energy, and animals consume other organisms.

• Plants get their energy from oxygen, and animals obtain their energy from the sun.

• Plants get their energy from the sun and animals consume other organisms

• Plants consume other organisms, and animals get their energy from the sun.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Natalie wanted to purchase a plant. In a store, she saw that plants had tags, just like the one you see here. Each tag listed the conditions the plant needed to survive. Natalie noticed that sunlight was one condition that was always listed.

Which is the best reason why plants need sunlight?

• Heat from the sun is used by plants for reproduction.

• Sunlight provides the energy for plants' food production.

• Sunlight provides minerals for plants' growth.

• Pollinators need sunlight to find flowers.

Tags

NGSS.MS-LS1-6

Examine the "Plant Structures" diagram and then use the word bank to identify the functions of the numbered plant structure.

What is the function of the number 2?

Word Bank:

* Provides support and allows movement

* Anchors the plant and takes water and nutrients from soil

* Attracts pollinators and makes seeds

* Produces the plant's food

• Provides support and allows movement

• Anchors the plant and takes water and nutrients from soil

• Attracts pollinators and makes seeds

• Produces the plant's food

Examine the "Plant Structures" diagram and then use the word bank to identify the functions of the numbered plant structure.

What is the function of the number 1?

Word Bank:

* Provides support and allows movement

* Anchors the plant and takes water and nutrients from soil

* Attracts pollinators and makes seeds

* Produces the plant's food

• Produces the plant's food

• Attracts pollinators and makes seeds

• Anchors the plant and takes water and nutrients from soil

• Provides support and allows movement

Examine the "Plant Structures" diagram and then use the word bank to identify the functions of the numbered plant structure.

What is the function of the number 4?

Word Bank:

* Provides support and allows movement

* Anchors the plant and takes water and nutrients from soil

* Attracts pollinators and makes seeds

* Produces the plant's food

• Attracts pollinators and makes seeds

• Produces the plant's food

• Anchors the plant and takes water and nutrients from soil

• Provides support and allows movement

Examine the "Plant Structures" diagram and then use the word bank to identify the functions of the numbered plant structure.

What is the function of the number 3?

Word Bank:

* Provides support and allows movement

* Anchors the plant and takes water and nutrients from soil

* Attracts pollinators and makes seeds

* Produces the plant's food

• Produces the plant's food

• Provides support and allows movement

• Anchors the plant and takes water and nutrients from soil

• Attracts pollinators and makes seeds

Tags

NGSS.4-LS1-1

Examine the "photosynthesis" diagram shown here and complete the sentence using the correct term list below.

____________enters the leaf.

• Chlorophyll

• water

• carbon dioxide

• food

Tags

NGSS.MS-LS1-6