MULTIPLE CHOICE
What is the first step of the scientific method?
a) Conduct an experiment
b) Ask a question
c) Write a conclusion
d) Make a graph
b) Ask a question ✅
A hypothesis must be something that can be tested.
✅ (True)
Do plants grow faster in sunlight or shade?
→ Question ✅
Which of these is a controlled variable (something that stays the same)?
a) The type of soil used for all plants
b) The height of the plants
c) The number of leaves on the plants
a) The type of soil used for all plants ✅
What is a hypothesis?
a) A random guess
b) A type of experiment
c) A testable prediction
d) A scientific law
c) A testable prediction ✅
The scientific method always has to be followed in the exact same order.
❌ (False)
If plants get more sunlight, then they will grow taller.
→ Hypothesis ✅
Why is it important to only change one independent variable in an experiment?
a) So you can tell what caused the results
b) So the experiment is more confusing
c) Because scientists like to guess
a) So you can tell what caused the results ✅
Why do scientists conduct experiments?
a) To see if their hypothesis is correct
b) To prove they are the smartest
c) To write a book
d) To make things explode
a) To see if their hypothesis is correct ✅
Scientists only do experiments inside a laboratory.
❌ (False)
Does salt affect how fast water freezes?
→ Question ✅
TRUE OR FALSE: You can change as many variables as you want in an experiment, and it will still be a fair test.
❌ (False)
What should scientists do after they collect data?
a) Eat lunch
b) Write a conclusion
c) Start a new experiment
d) Guess the results
b) Write a conclusion ✅
Graphs and charts help scientists organize their data.
✅ (True)
If salt is added to water, then it will take longer to freeze.
→ Hypothesis ✅
What is a variable in an experiment?
a) Something that stays the same
b) Something that can change
c) A tool used for measuring
d) The final answer
b) Something that can change ✅
What is an observation?
a) Making a prediction
b) Using senses to gather information
c) Writing a book report
d) Asking someone for the answer
b) Using senses to gather information ✅
If the results of an experiment do not support the hypothesis, the experiment is a failure.
❌ (False – It helps scientists learn!)
If baking soda is mixed with vinegar, then it will create bubbles.
→ Hypothesis ✅
What is the independent variable in an experiment?
a) The thing that is measured
b) The data that I collect
c) The thing the scientist changes on purpose
d) The result of the experiment
c) The thing the scientist changes on purpose ✅