The Scientific Method

Open Ended

Warm-Up Riddle: Many have heard it, but nobody has ever seen it. It will not speak back until spoken to. What is it?

Open Ended

Make 1 qualitative observation and 1 quantitative observation from this picture. Make sure to label your observation as qualitative or quantitative.

Multiple Choice

Which of the following is a testable hypothesis?

• Riding a bike is easier than riding a scooter.

• Increasing the amount of water will make plants grow taller.

• People prefer red apples over green apples.

• Elephants have a collective memory.

Multiple Choice

A scientist wants to investigate how different amounts of fertilizer affect the growth of sunflower plants. The experiment includes three groups of sunflowers. Group A receives no fertilizer. Group B receives low density fertilizer. Group C received high density fertilizer.

All pots are placed under the same conditions of sunlight, temperature, and watering schedule. The height of the sunflower plants is measured weekly for six weeks. What is the independent variable?

• Sunlight, temperature, and watering schedule

• Height of plants

• Type of fertilizer

• Group A

Multiple Choice

A scientist wants to investigate how different amounts of fertilizer affect the growth of sunflower plants. The experiment includes three groups of sunflowers. Group A receives no fertilizer. Group B receives low density fertilizer. Group C received high density fertilizer.

All pots are placed under the same conditions of sunlight, temperature, and watering schedule. The height of the sunflower plants is measured weekly for six weeks. What is the dependent variable?

• Sunlight, temperature, and watering schedule

• Height of plants

• Type of fertilizer

• Group A

Multiple Choice

A scientist wants to investigate how different amounts of fertilizer affect the growth of sunflower plants. The experiment includes three groups of sunflowers. Group A receives no fertilizer. Group B receives low density fertilizer. Group C received high density fertilizer.

All pots are placed under the same conditions of sunlight, temperature, and watering schedule. The height of the sunflower plants is measured weekly for six weeks. What are the constants?

• Sunlight, temperature, and watering schedule

• Height of plants

• Type of fertilizer

• Group A

Multiple Choice

A scientist wants to investigate how different amounts of fertilizer affect the growth of sunflower plants. The experiment includes three groups of sunflowers. Group A receives no fertilizer. Group B receives low density fertilizer. Group C received high density fertilizer.

All pots are placed under the same conditions of sunlight, temperature, and watering schedule. The height of the sunflower plants is measured weekly for six weeks. What is the control group?

• Sunlight, temperature, and watering schedule

• Height of plants

• Type of fertilizer

• Group A

Multiple Choice

A farmer wants to know if watering his lemon trees with more water will help produce more lemons. He waters one tree with the normal amount of water, one tree with double the amount of water, and the third tree with triple the amount of water. He makes sure all the trees are kept at the same temperature and receive equal amounts of light. What is the independent variable?

• The amount of water

• Tree with normal amount of water

• Height of the lemon trees

• Temperature and sunlight

Multiple Choice

A farmer wants to know if watering his lemon trees with more water will help produce more lemons. He waters one tree with the normal amount of water, one tree with double the amount of water, and the third tree with triple the amount of water. He makes sure all the trees are kept at the same temperature and receive equal amounts of light. What is the dependent variable?

• The amount of water

• Tree with normal amount of water

• The number of lemons

• Temperature and sunlight

Multiple Choice

A farmer wants to know if watering his lemon trees with more water will help produce more lemons. He waters one tree with the normal amount of water, one tree with double the amount of water, and the third tree with triple the amount of water. He makes sure all the trees are kept at the same temperature and receive equal amounts of light. What is the constants?

• The amount of water

• Tree with normal amount of water

• Height of the lemon trees

• Temperature and sunlight

Multiple Choice

A farmer wants to know if watering his lemon trees with more water will help produce more lemons. He waters one tree with the normal amount of water, one tree with double the amount of water, and the third tree with triple the amount of water. He makes sure all the trees are kept at the same temperature and receive equal amounts of light. What is the control group?

• The amount of water

• Tree with normal amount of water

• Height of the lemon trees

• Temperature and sunlight