Scientific Methods
There is only one scientific method, and all scientists follow it in exactly the same way. True or False?
What is False?
Science is a way of learning more about the ________________________.
What is the natural world?
Explains why or how a phenomenon happens
What is a theory?
Jasper watches the birds in his yard for two weeks to determine which of the two bird feeders they like best. He tells his teacher that this is an experiment, but it is actually this.
What is an observation?
Factors that can be changed in an experiment.
What are variables?
Usually scientific investigations begin with one of these.
What is a observation or question?
What is 100%?
Describes what happens
What is an law?
Ty wanted to find out which soil would help his plants grow best. He planted tomato plants in Soil A, pepper plants in Soil B, and squash plants in Soil C. Then he measured their height each day for five weeks. This is Ty's mistake.
What is he should have used the same type of plant.
The information you gather during an experiment that might be shown in a chart, graph, or table would be this.
What are data?
A prediction about the answer you expect to get from an experiment is called this.
What is a hypothesis?
This is why it is important for scientists to keep careful records of their experiments.
What is so that other scientists can repeat the experiment?
Natural selection
What is an exampe of scientific theory?
Callie wants to test which model car will go down a ramp fastest. She releases model A and records the time it takes to travel to the bottom. She does the same with model B, and it gets there five seconds faster. She concludes that model B is the fastest car. This is her mistake.
What is she needs to do it more than once?
The answer that you get at the end of your experiment based on the data you collected would be this.
What is a conclusion?
These are used when you are making observations.
What are your senses?
What is an important final step after scientists have results from their experiment?
What is share those results with others?
Gravity and conservation of energy
What is a law?
Dylan finds two types of varnish that are supposed to help keep the wood on his deck from fading in the sun. He decides to test them. He paints 10 boards with Vivid Varnish, and 10 boards with Valiant Varnish. He leaves 10 boards with no varnish at all. He leaves them in the sun for 4 weeks, and makes notes on their daily appearance. The 10 boards with no varnish would be his ________________ ______________.
What is control group?
Variables in an experiment that are purposely changed
What is an independent variable?
Something that can be changed or controlled to be the same during an experiment would be one of these.
What is a variable?
Variables in your experiment that you measure
What is dependent variable?
Natural selection and evolution
What is an theory?
Sal gives his each of his strawberry plants 500 mL of water daily. He makes sure they get the same amount of sunlight and fertilizer. Twenty plants are in pots with potting soil. The other twenty are in pots with a sand and clay mixture. This is the tested variable for Sal's experiment.
What is soil type?
The group you leave alone or treat normally in an experiment so that you can see if the tested variables really make a difference would be this.
What is a control group?