Hypothesis Practice

What is a hypothesis?

• the thing changed on purpose in the experiment

• an explanation about what you observed

• a prediction based on background knowledge

• a guess about the outcome of an experiment

Choose the correct hypothesis for "What effect does studying have on test grades?"

• IF I study for 6 hours, THEN my test grade will be the best, BECAUSE studying improves your knowledge retention (Klein).

• IF I have a good test grade, THEN I will study BECAUSE it's important (Klein).

• Good grades are from studying BECAUSE you must have studied a lot.

A students was doing an experiment using the scientific method. Every three days the student plans to count the green leaves. Which would be a good hypothesis for this experiment?

• If plants are placed in direct sunlight, then they will grow lots of green leaves, because leaves need sunlight to produce glucose (Klein)

• If plants are places in bright light, then they will grow the most green leaves because leaves need sunlight to produce glucose (Klein).

• If plants are place in clay pots, then they will grow more green leaves than plastic pots because leaves need sunlight to produce glucose (Klein).

• If plants are in warmer temperatures, then they will grow more green leaves because leaves need sunlight to produce glucose (Klein).

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-1

What parts below should be in your hypothesis? Check all that apply

• If

• then

• because

• citation

If plants are exposed to sunlight, then they will grow taller.
What part of the scientific method is this an example of?

• Hypothesis

• Question

• Results

Tags

NGSS.MS-LS1-5

What is a hypothesis?

• A hypothesis is the right answer to an experiment.

• A hypothesis is the wrong answer to an experiment.

• A hypothesis is an educated guess.

Tags

NGSS

A hypothesis is 

• a random guess

• an explanation that answers a question

• an experiment

Tags

NGSS.MS-LS1-5

What do you put in the "if" part of a hypothesis?

• the dependent variable

• the independent variable

• A specific level of the IV

• A specific level of the DV

What do you put in the "then" part of a hypothesis?

• An exact DV (like 10 cm, 15 cm, or 5 cm)

• The IV (like the plant shape or color)

• One end of the DV (like biggest, smallest, furthest)

• One experimental group of the IV (like the type of plant)

What do you put in the BECAUSE part of the hypothesis?

• Background research that helps inform the outcome of the experiment

• Your gut feeling that informs the outcome of the experiment

• The funniest research you found that might relate to the experiment

• What you know is going to happen because you already did the experiment

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4