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- 1. Multiple Choice
Andre planted wheatgrass in three different types of soil to see which one was the best for growing wheatgrass. Miguel and Darla decided to do the same experiment to see if they would get the same results.
What is this called?
Repetition
Replication
Reptiliation
Reposition
- 2. Multiple Choice
Dropping the paper helicopter from the same exact starting point 5 times is an example of...
Repetition
Replication
Reviewing
Redoing
- 3. Multiple Choice
An organized set of investigation procedures used when conducting experiments is called the ___________
Conclusion
Hypothesis
Scientific Method
Experiment
- 4. Multiple Choice
The leaves on the tree are turning brown. This is an example of
Quantitative Data
Qualitative Data
Neither
Both
- 5. Multiple Choice
Scientists need to use ____________ so their experiments can be more accurate.
rulers
data
standard units of measurement
inches
- 6. Multiple Choice
In an experiment, the thing that is changed is called the ___.
control
variable
problem
conclusion
- 7. Multiple Choice
There are 10 stripes on a caterpillar. This is an example of
Quantitative Data
Qualitative Data
Both
Neither
- 8. Multiple Choice
____________ is a body of knowledge that does NOT use scientific methods to investigate natural phenomena or explain how things work.
Science
Chemistry
Pseudoscience
Biology
- 9. Multiple Choice
Scientists frequently repeat the experiments of other scientists. Why is this important?
So they can ask each other for help.
So they can make the experiment better.
So they can practice their techniques.
So they can confirm and verify the results.
- 10. Multiple Choice
Information that is obtained through observation or experimentation is called
Observations
Predictions
Empirical Evidence
Hypothesis
- 11. Multiple Choice
An experiment was performed to test the effects of different types of fertilizers on the number of tomatoes produced by one type of tomato plant. What is the experimental (independent) variable in this investigation?
The color of the plant
The type of fertilizer
The number of tomatoes
The type of plant
- 12. Multiple Choice
Bailey's hypothesis is that if she increases the temperature, the number of germinating seeds will increase. The outcome variable will be____
Temperature
Germination
Number of seeds
Increase
- 13. Multiple Choice
Marsha conducted an experiment to test how sunlight affects rose plants. She put one plant in a sunny place, one plant in the shade and one plant inside where it didn't get any sun at all. Which plant was the control for her experiment?
The plant in the sun
The plant in the shade
The plant with no sun at all
The type of plant
- 14. Multiple Choice
Which one of these is a testable question?
Do larger or smaller seeds make prettier flowers?
Does the size of the pot affect the height of the plant?
Will my plant grow?
Which planet is the most interesting to study?
- 15. Multiple Choice
Which one of these statements is good hypothesis?
Adding sugar to the water in the birdfeeder will attract lots of hummingbirds.
If I add sugar to the water in the birdfeeder, then lots of hummingbirds will come.
Hummingbirds like water that's very sweet.
If the amount of sugar added to the water in the birdfeeder is increased, then the amount of hummingbirds will increase.
- 16. Multiple Choice
Why do scientists sometimes use models in their experiments?
To help explain something that is hard to understand
To help them understand how something works
To represent something that is too big or too small
All the above
- 17. Multiple Choice
In an experiment, the things that stay the same are the ___.
Constants
Tested Variables
Outcome Variables
Conclusion
- 18. Multiple Choice
Paula wants to study how water runoff causes erosion. What would be the best way for her to understand what happens?
Draw a picture of water flowing through a canyon
Listen to her teacher explain it.
Watch a video about erosion and weathering
Create a model using rocks and dirt and water
- 19. Multiple Choice
The subatomic particle that orbits the nucleus is
atom
proton
neutron
electron
- 20. Multiple Choice
What does the number at the top tell us about this element?
It has 6 protons
It has 6 neutrons
It has a mass of 6
It has 6 electrons
- 21. Multiple Choice
What is this an example of? Choose all that apply.
Mixture
Pure substance
Element
Compound
- 22. Multiple Choice
What is this an example of?
Mixture
Pure substance
Element
Compound
- 23. Multiple Choice
How many protons are in this element?
39
4
19
20
- 24. Fill in the Blank
How many valance electrons does this element have?
- 25. Multiple Choice
Why are Lithium, Sodium and Potassium in the same group on the periodic table?
Their names all end with -ium
They all have 1 proton
They all have similar properties
They are all solids
- 26. Multiple Choice
What are the rows going across the periodic table called?
Groups
Protons
Elements
Periods
- 27. Multiple Choice____________ is anything that has mass and takes up space.mattercompoundparticlesubatomic
- 28. Multiple ChoiceThe nucleus of the atom has the
___________ and ___________ in it.protons and neutronselectrons and neutronsprotons and electrons - 29. Multiple Choice
An atom with atomic number 6 would have how many protons
6123cannot be determined - 30. Multiple Choice
The chemical formula for sodium carbonate is 2Na₂CO₃. What does the small 3 mean?
3 oxygen atoms
3 carbon atoms
3 sodium carbonate atoms
3 carbon dioxide atoms
- 31. Multiple ChoiceHow many Sodium (Na) are in 6NaCl?1126
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