Science Revision <3

Pick the correct statement about scientific drawings

• Drawings shouldn't be correctly proportioned

• Labels aren't needed

• Draw what you see

• Draw what you expect to see

Titles in drawings aren't to be in ALL CAPS

• True

• False

Drawings shouldn't look like sketches

• True

• False

What is the formula for magnification?

• Size of drawing / size of specimen

• size of specimen / Size of drawing

• size of specimen / size of paper

• size of paper / size of fingernail

What is a variable?

• A variable is anything that could be changed when carrying out a scientific investigation

• A variable is anything that could be found when carrying out a lunch meal

• A variable is anything that could be changed when carrying out a mathematical experiment

• A variable is anything that could be observed when carrying out a scientific investigation

What are the three types of variables?

• Dependent

• Control

• Indefensible

• destructable

• Independent

What is the control?

• Variables that stay the same but you need to control to

  make a fair test

• Variables are changing and give you the result

• Variables that could change but you need to control to make a fair test

What is the dependent variable?

• The variable that stays the same

• variable that could change but should stay the same

• Variable that decides what changes

Michael wanted to see what kitchen cleaner worked best for cleaning her counters. He used Lysol, Clorox, Pinesol, and just water. For each cleaner, he put 5 milliliters of grape juice on the counter, sprayed the cleaner, and wiped it with one paper towel. What is the dependent variable?

Trevor wanted to find out what fertilizer worked best for growing marigolds. He put Miracle Grow on one, Scotts fertilizer on one, and no fertilizer on another. What is the independent variable?

• type of flowers

• brand of fertilizer

• the quality of the soil

• Growing Marigolds