Physical Science Midterm 2024

It is okay to drink chemicals in the lab.

• True
• False

Sandals are not allowed in the lab.

• True
• False

Long hair should be tied up in the lab.

• True
• False

The x- axis is the horizontal line.

• True
• False

Titles are not required on graphs.

• True
• False

Identify the best hypothesis for the experiment: Ronald wants to know if mice prefer one type of cheese over another. He puts four different types of cheese in front of a mouse to see which one the mouse wants more.

• If mice prefer one type of cheese, they will run towards the cheese.
• A mouse prefers one type of cheese over another because it ran to a certain cheese.
• If a mouse prefers a certain type of cheese, it will run to it because it likes the smell and taste of the cheese.
• A mouse does not prefer a certain type of cheese.

What is a independent variable?

• The thing the scientist changes on purpose, the cause
• The thing that changes because you change something, the effect
• When nothing is changed throughout the entire experiment
• Things that stay the same throughout the entire experiment, no matter the group

What is a dependent variable?

• The thing the scientist changes on purpose, the cause
• The thing that changes because you change something, the effect
• When nothing is changed throughout the entire experiment
• Things that stay the same throughout the entire experiment, no matter the group

What is the format for a hypothesis?

• If [cause], then [effect]
• If [cause], then [effect] because [reason]
• Why does this happen?
• A hypothesis is not a thing

What type of data is based on numerical data?

• Quantitative
• Qualitative