FIRST NINE WEEKS REVIEW Science

PHOTOSYNTHESIS EQUATION

Use Popsicle sticks OR write the photosynthesis equation

EQUATION

Light energy + 6CO2 (carbon dioxide) + 6H2O (water) C6H12O2 (glucose)+6O2 (oxygen)

CELLULAR RESPIRATION

Use Popsicle sticks OR write the cellular respiration equation

EQUATION

C6H12O2 (glucose)+6O2 (oxygen)Energy (ATP)+ 6CO2 (carbon dioxide) + 6H2O (water)

COMPARE THE PHOTOSYNTHESIS AND CELLULAR RESPIRATION EQUATIONS

How are they alike?How are they different?

CARBON CYCLE

CARBON CYCLE

Energy

Glucose Carbon Dioxide

Oxygen Water

Energy

WHAT IS THE DIFFERENCE BETWEEN FERMENTATION AND CELLULAR RESPIRATION? Fermentation does not require oxygen and cellular respiration

does.

OSMOSIS VS DIFFUSION

1. Raisin shrinking once placed in water

2. A girl sprays perfume and it presents a strong smell

3. A mom is baking cookies 4. An athlete takes off his shoe5. Your skin shrivels after taking a

bath

OSMOSIS VS DIFFUSION

1. Osmosis 2. Diffusion 3. Diffusion4. Diffusion5. Osmosis ****Osmosis deals with water****

ISOTONIC, HYPERTONIC, OR HYPOTONIC?

HYPERTONIC ISOTONIC HYPOTONIC

WHAT IS THE DIFFERENCE BETWEEN PASSIVE AND ACTIVE TRANSPORT?

Passive does NOT require energy

Active Transport Does require energy

SCENARIO

1. A bacteria cell is put in a jar of salt what happens to it?

2. A salt water fish is placed in a fresh water tank – What happens?

SCENARIO

1. A bacteria cell is put in a jar of salt what happens to it? – It shrivels water travels towards salt goes out of the cell becomes hyertonic

2. A salt water fish is placed in a fresh water tank – What happens?- It dies because too much water is going into the fish cells - they become hypotonic and fish dies.

OBSERVATION VS INFERENCE

1.The girl is tall 2.The class likes to go on a picnic 3.Walter is five feet 4.Sam runs the 5 meter dash in 2 minutes

5.Randal runs really fast

OBSERVATION VS INFERENCE

1. The girl is tall - O 2. The class likes to go on a picnic - I 3. Walter is five feet - O4. Sam runs the 5 meter dash in 2 minutes - O 5. Randal runs really fast – I Observation is a fact can seeInference is a guess based on what you observe

QUANTITIVE OR QUALITATIVE?

1. The machine has 30 bags of candy.2. The flag is red, blue, and white. 3. Tensley is measuring the container.

QUANTITIVE OR QUALITATIVE?

1. The machine has 30 bags of candy. – Quantitative – Measurement/Numbers

2. The flag is red, blue, and white. Qualitative/Description

3. Tensley is measuring the container. Qualitative/Description of action

VARIABLES

Sadie wanted to see if the amount of water affected the height of a plant. She took 4 identical plants. In Pot 1 she put the recommended amount of water 12 oz. In pot 2 she put 24 oz. In Pot 3 she put 36 oz and in Pot 4 she put 48 oz. She put them in the sunlight for 3 hours each day. She watered the plants in the morning and at night. They all had the same amount of potting soil and size pot. After 5 days she recorded her results.

What is the independent variable?What is the dependent variable?What is the control? What are the constants?

VARIABLES

Sadie wanted to see if the amount of water affected the height of a plant. She took 4 identical plants. In Pot 1 she put the recommended amount of water 12 oz. In pot 2 she put 24 oz. In Pot 3 she put 36 oz and in Pot 4 she put 48 oz. She put them in the sunlight for 3 hours each day. She watered the plants in the morning and at night. They all had the same amount of potting soil and size pot. After 5 days she recorded her results.

What is the independent variable? Amount of water (changed on purpose)What is the dependent variable? Height of plant (What she is recording)What is the control? (Pot 1 – Recommended amount)What are the constants? – same amount of potting soil and size pot – 4 identical bowls – anything the experimenter does to each group.

WHAT’S THE INDEPENDENT AND DEPENDENT VARIABLES

1. How does the amount of oxygen in the water affect the oyster population?

2. How will the amount of fertilizer used on a field affect the number of earthworms found there? 3. How does the length of a string affect the number of times a pendulum will swing back and forth in 10 seconds.

4. How does the size of a bicycle tire affect the distance it will travel when it is pedaled in a given number of times?

YELLOW – INDEPENDENTRED – DEPENDENT

1. How does the amount of oxygen in the water affect the oyster population?

2. How will the amount of fertilizer used on a field affect the number of earthworms found there? 3. How does the length of a string affect the number of times a pendulum will swing back and forth in 10 seconds.

4. How does the size of a bicycle tire affect the distance it will travel when it is pedaled in a given number of times?

Hypothesis Conclusion Data Procedures Experimental Design

1. _________________a series of steps that tests a hypothesis2.___________________the art of science of asking questions about the natural world developing and testing hypothesis to find answers.

3. __________________- an interpretation based on your observations and prior knowledge

4. __________________- a logical answer to the problem; based on data and observations

5. _________________ - the recorded facts or measurement obtained from an experiment

Hypothesis Conclusion Data Procedures Experimental Design

1. PROCEDURE2.EXPERIMENTAL DESIGN 3. HYPOPTHESIS 4. CONCLUSION5. DATA

Hypothesis Conclusion Data Procedures Experimental Design

1. Jessica’s teacher asked her why some plants grew taller than others. She said I believe it is because they have fertilizer. The underlined sentence is an example of a __________________________.

2. Jessica decided to conduct an experiment. She made a plan and listed step by step directions on how to conduct the experiment. This is an example of __________________________.

3. Every day she measured and wrote down the height of the plant. This is an example of _________________________.

ANSWERS

1. Hypothesis

2. Procedure

3. Data

Hypothesis Conclusion Data Procedures Experimental Design

1. At the end of the 5 days she wrote a report analyzing her data and made inferences based on her findings. This is an example of ____________________________.

2. This entire process of asking a question and figuring out the solution to the problem is called ______________________________.

Answers

1. Conclusion

2. Experimental Design