Bio 1 Test prep

The variable that the scientist manipulates is called the...

Which of these is a hypothesis?

• place the bean seeds in the pot and water them every day.

• How much will my tomato plants grow?

• If a person uses a splint on a broken finger, then it will heal faster than a non-splinted finger.

• I think that vitamins don't do anything.

Which of the following are parts of an experiment (check all that apply)

• experimental question

• guessing

• hypothesis

• independent variable

• dependent variable

In graphs, the independent variable goes on the

in graphs, the dependent variable goes on the

"I saw a dog walk by the front of the store" is an

• inference

• observation

• hypothesis

• none of the above

In an experiment, the group that does NOT receive the treatment is called the

• experimental group

• control group

• independent group

• meatball group.

Which properties of water are shown here?

• adhesion and cohesion

• high specific heat

• low boiling point

• none of the above

The property of water that allows insects to walk on top of it is called ____________ tension

• particle

• hydrogen

• surface

• Van der Waals

Ice floats in water because ice is ______________ _____________ than liquid water

• more dense

• less dense

• equally dense

• fully dense