Which are true about elodea?

The make food. This food is chemical energy

The make food. This food is solar energy

The make food. This food is thermal energy

The make food. This food is mechanical energy

Which are true about elodea?

The make food. They use solar energy to make the food

The make food. They use chemical energy to make the food

The make food. They use mechanical energy to make the food

Energy transformation is when one type of energy turns into another type of energy. Energy transfer is when energy moves from one object to another object.

Energy transfer is when one type of energy turns into another type of energy. Energy transformation is when energy moves from one object to another object.

Step 3 of the scientific method is?

Perform an experiment to test your hypothesis (1st claim)

Research information about your question

When you write a hypothesis (1st claim)

They are USUALLY (not always) cause/effect statements

They are factual answers to the scientific question

They will be tested to see if they are true or false by performing an experiment

Question: "How is the amount of bubbles of oxygen released by the elodea (rate of photosynthesis) effected by the distance to the light?" The independent variable is?

Amount of bubbles of oxygen (rate of photosynthesis)

Question: "How is the amount of bubbles of oxygen released by the elodea (rate of photosynthesis) effected by the distance to the light?" The dependent variable is?

Amount of bubbles of oxygen (rate of photosynthesis)

Question: "How is the amount of bubbles of oxygen released by the elodea (rate of photosynthesis) effected by the distance to the light?" The controlled variable is?

Amount of bubbles of oxygen (rate of photosynthesis)

Why do we have more than one controlled variable in an experiment?

Because this will give us more accurate results

Because the results could be effected by these variables

Which is the correct claim based on the experimental evidence?

The closer the light the greater the number of bubbles of oxygen

The closeness of the light does effect the number of bubbles of oxygen

The best distance for making bubbles was 100 cm

Which is the correct claim based on the evidence from yesterday's experiment?

Moving the light bulb closer makes more food/glucose

Moving the light bulb closer does effect the amount of food that is made

Which is the correct claim based on the evidence from yesterday's experiment?

With more light the population of elodea will be greater

The population of elodea is effected by the amount of light

100 cm makes the most elodea population

Step 4: Perform an experiment is done for what reason?

To test your hypothesis and see if it is true or false

To gain scientific understanding of many phenomena

When you "Analyze the Results" you do which?

Examine the evidence from the experiment to determine what it means.

Look up in a textbook what the answer is to a problem

Elodea Lab

Authored by Benjamin Morgan

Other

6th - 8th Grade

Used 17+ times

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34 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1st step of the scientific method?

Ask a question & do research

Observe your environment

Make a hypothesis (1st claim)

Perform an experiment to test your 1st claim

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What observations did we make?

Elodea's are autotrophs

Elodea's make food (glucose) through photosynthesis

How are elodea's effected by the distance from the light source?

All choices

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During step 1: observing our environment we do which?

look at the environment around us

Ask questions based on our observations

Make a hypothesis

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2nd step of the scientific method?

Ask a question & do research

Observe your environment

Make a hypothesis (1st claim)

Perform an experiment to test your 1st claim

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What question did we have in our experiment?

How is the amount of bubbles of oxygen released by the elodea effected by the distance to the light

How does the brightness of the light effect the growth of the elodea?

How is size of the elodea effected by the distance to the light

All choices

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Scientific questions are

Factual & Testable with an experiment

Factual

Opinions

Factual & answered by researching in books

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Research can be done by...

Watching videos about concepts surrounding the question

Reading about the scientific concepts surrounding the question

Learning in class about the science concepts surrounding the question

All choices

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Elodea Lab

1st step of the scientific method?

What observations did we make?

During step 1: observing our environment we do which?

2nd step of the scientific method?

What question did we have in our experiment?

Scientific questions are

Research can be done by...

Which are biotic factors in our experiment?

Which are abiotic factors in our experiment?

Which are true about elodea?

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