Vocabulary
What is a constant variable??
1. something that you manipulate
2. something that stays the same
3. something that you are measuring
4. something that you are guessing
2. something that stays the same
What are the 3 variables in an experiment??
1. constant, controlled, independent
2. constant, controlled, dependent
3. controlled, independent, dependent
4. constant, independent, dependent
4. constant, independent, dependent
What is a hypothesis??
1. data collected in an experiment
2. an educated guess
3. research on the topic
4. retesting the experiment
2. an educated guess
How many steps are there in the scientific method??
1. 3
2. 6
3. 10
4. 15
2. 6
In order to observe, you need to use your...?
1. knowledge
2. 5 senses
3. writing skills
4. money
2. 5 senses
What is the scientific method?
1. a 6 step method to discover what is unknown
2. an if, then statement
3. numerical values collected in an experiment
4. a 10 step method to find data
1. a 6 step method to discover what is unknown
Cathy wants to find if the size of a ball effects its height of bounce. She bounces a tennis ball, basket ball, and golf ball at 2m high.
What is a constant variable in this experiment?
1. the height of the bounce
2. 2m (height of drop)
3. the size of balls
4. the basketball
2. 2m (height of drop)
What is the format of a hypothesis??
1. well...then...therefore
2. if...then...however
3. if...then...because
4. because...if...then
3. if...then...because
What is the very first step of the scientific method??
1. Make a hypothesis
2. Collect data
3. Make a question
4. Do background research
3. Make a question
There is a boy in a blue shirt who is on the floor, next to his bike, with a cut on his knee. He is crying.
What can you infer?
1. The boy is wearing a blue shirt
2. The boy fell off his bike
3. The boy is crying
4. The bike is next to the boy
2. The boy fell of his bike
What is an independent variable?
1. what is being measured in an experiment
2. what is being compared in an experiment
3. what is being changed in an experiment
4. what is being recorded in an experiment
3. What is being changed in an experiment
Shawn wants to test if temperature effects how much a person sweats. He places group A in a 100 degree room and group B in room temperature.
What is the dependent variable??
1. The temperature of the rooms
2. The effects of temperature on how much a person sweats
3. The age of the people in both groups
4. Group A & B
2. The effects of temperature on how much a person sweats
Which step of the scientific method is the hypothesis?!
1. 1
2. 2
3. 3
4. 4
3
What do you ALWAYS need to add in your conclusion?
1. the data collected
2. if your hypothesis was correct or not
3. restating the question
4. all of the above
4. all of the above
How many minutes are in each period at school?!
1. 45min
2. 46min
3. 47min
4. 48min
3. 47 min
What is a dependent experiment??
1. what is being measured
2. what is being changed
3. what is being asked
4. what is being manipulated
1. what is being measured
Lisa wants to know if different colored lights help plants grow. She puts each plant under a yellow, blue, and red light.
What is the independent variable??
1. the colors of the lights
2. the type of plant
3. the height of the plant
4. the person planting
1. the colors of the lights
Karen wants to know if fertilizer affects plant growth. She puts 3mg of fertilizer in plant A, 5 mg of fertilizer in plant B, and 10 mg of fertilizer in plant C.
Which one of these hypothesis is correct?
1. If Karen doesn't use fertilizer, then the plant will not grow because you need fertilizer.
2. I think Karen needs to put 5mg of fertilizer because its the most.
3. If Karen puts 10 mg of fertilizer in the plant, then it will grow the best because the more fertilizer you have the more it will grow.
4. Karen will grow the best plant if she uses 3 mg of fertilizer.
3. If Karen puts 10 mg of fertilizer in the plant, then it will grow the best because the more fertilizer you have the more it will grow.
After collecting data, you need to...?
1. Make a hypothesis
2. Make a conclusion
3. Analyze the data
4. Make observations
3. Analyze the data
A scientific theory and a hypothesis are the same things.
1. True
2. False
2. False
What is a controlled group in an experiment?
1. the group that receives the experimental treatment
2. the group that does not receive the independent variable
3. the group that receives the independent variable
4. the group that is manipulated
2. the group that does not receive the independent variable
Does the brand of basketball shoes (nike, adidas, or converse) used affect how high a person can jump??
Find the independent and dependent variables
1. I: height of jump D: brand of shoes
2. I: person jumping D: height of jump
3. I: Brand of shoes D: height of jump
4. I: height of jump D: person jumping
3. I: Brand of shoes D: Height of jump
Which hypothesis below is incorrect?
1. If I drink 5L a day, I will become healthier.
2. If I ride a bike to school, then I will save the planet, because I will be using less fossil fuels.
3. If I play less games at home, then my grades will go up. However, I will still play on the weekends.
4. If I add oil to my water, the water will float to the top.
2. If I ride a bike to school, then I will save the planet, because I will be using fossil fuels.
Every experiment must be verified by __________.
1. concluding
2. retesting
3. inferencing
4. researching
2. retesting
Science is the best class in school. You look forward to coming to class everyday!
1. True
2. False
1. True (:
(Hopefully)