Energy
All sorts of questions 1
Variables
Energy Situations
Scientific Investigations
All sorts of questions 2
100
What 2 types of Energy did we learn about?
Kinetic and Potential Energy
100
Sue experimented and planted 4 different trees. She used the same soil, the same location, the same sunlight, the same plant, and the same amount of liquid. However, 1 was watered with Pepsi, 1 with Dr. Pepper, 1 with Fanta, and 1 with water.
List the controlled variables.
Soil, plant, amount of liquid, location, and sunlight
100
What are the 2 types of variables in a science experiment?
Independent and Dependent Variable
100
Describe the energy transformation in this picture.
Kinetic energy increases, potential energy decreases
100
How should we conduct a scientific investigation?
a. Comparing data with friends.
b. Inventing data that supports our hypothesis.
c. Forming conclusions based on the data.
d. Accept any situation that supports our hypothesis.
Correct Answer: C
100
At which point the coaster's kinetic energy converted into potential energy?
1. yellow
2. green
3. blue
yellow
200
List 3 types of Potential Energy
-Gravitational
-Elastic
-Chemical
200
Sue experimented and planted 4 different trees. She used the same soil, the same location, the same sunlight, the same plant, and the same amount of liquid. However, 1 was watered with Pepsi, 1 with Dr. Pepper, 1 with Fanta, and 1 with water.
List the control group.
water
200
Which variable can I change?
Independent Variable
200
Which picture shows more potential energy?
The bike rider on top of the hill
200
Which question CANNOT be answered by scientific investigation?
1. Which plant grows the tallest?
2. Which lamp (green, red, or blue) or the Sun makes the plant grow taller?
3. Which plant has the prettiest flowers?
# 3
Which plant has the prettiest flowers?
200
Two planes flying with the same speed. What describes their energy?
1. The top plane has greater kinetic energy.
2. The bottom plane has greater gravitational potential energy.
3. The two planes have the same kinetic energy but different gravitational potential energy.
4. The two planes have the same gravitational potential energy but different kinetic energies.
Correct Answer: # 3
Same kinetic energy but different gravitational potential energy
300
List 4 types of kinetic energy
Thermal
Light
Electric
Sound
300
Sue experimented and planted 4 different trees. She used the same soil, the same location, the same sunlight, the same plant, and the same amount of liquid. However, 1 was watered with Pepsi, 1 with Dr. Pepper, 1 with Fanta, and 1 with water.
Which is the independent variable?
The type of liquid she used to water the plants.
300
What do you call an experiment in which only 1 variable is changed at a time?
Controlled Experiment
300
When I drop my pen on the floor, how does energy changes?
Potential energy is converted to kinetic energy
300
Why would a scientist repeat his/her experiment?
1. To set up different conditions
2. To add other variables
3. They want to ensure accurate results
4. They are bored and want to do it again
Answer: 3
To ensure accurate results
300
How would you describe kinetic and potential energy in the green and yellow parts?
1. kinetic energy increase at the yellow part, potential energy decrease at green part
2. potential energy increase at the green part, potential energy decrease at the yellow part
3. kinetic energy decrease at both the yellow and green parts
Correct Answer #2
Potential energy increases at the green part; potential energy decreases at the yellow part
400
What is the other name of potential energy?
Stored energy
400
Dependent variables also called ....
Outcome variable
400
Controlled Variables also called ....
Constant Variables
400
At which point you can measure the most kinetic energy?
Point D
400
What happens when you repeat an experiment many times?
1. Results are different every time.
2. When we repeat it at least 30 times, the data must be accepted.
3. The results are more reliable when the experiment is repeated many times.
4. We can prove our hypothesis better.
# 3
The results are more reliable when the experiment is repeated many times.
400
The Law of Conservation of Energy is ...
1. Can be changed by the judicial system
2. Does not apply anymore, it's an old rule
3. Only true in America
4. Supported by many experiments
Correct Answer:
# 4
Supported by many experiments
500
The Law of Conservation of Energy states ...
Energy can not be created or destroyed. It can transfer from one thing to another or change forms.
500
How many variables should you test during an experiment?
Only 1
500
How would you define the independent variable?
The thing that is changed on purpose or tested in the experiment.
500
Point 1, 2, or 3 shows the least kinetic energy?
Point 2
500
What are the correct steps for the scientific method?
1. Hypothesis, background research, experiment, data, conclusion
2. Background research, experiment, data, conclusion
3. question, background research, hypothesis, experiment, data, conclusion
4. question, hypothesis, background research, data, conclusion
Correct Order:
Question, background research, hypothesis, experiment, data, conclusion
#3
500
When we measured the speed of the marble rolling down the ruler. What affected how far the marble went?
1. The time it took the marble to roll
2. The size of the marble
3. The distance it went
4. The size of the marble and the height of the books.
Correct Answer:
# 4
The size of the marble and the height of the books