| A | B |
|---|
| What mass makes a toy car go faster? | I - Mass of the car, D - Speed of the car |
| Does the type of conditioner affect the softness of a person's hair? | I - Type of conditioner, D - Softness of the hair |
| Which brand of eraser erases the best? | I - Brand of eraser used, D - How much of the writing is erased |
| Jane wants to know if the starting temperature of water affects how long it takes to freeze. | I - Starting temperature of the water, D - Time it takes to freeze |
| A mother wants to know which paper towel brand absorbs the most liquid. | I - Brand of paper towel, D - How much liquid is absorbed |
| If the type of food fed to an animal varied, would it affect their behavior? | I - Type of food, D - Their behavior |
| Does the amount of humidity affect how far a ukele falls out of tune? | I - Humidity, D - How far out of tune the ukele is |
| Tommy wants to know which pencil lead writes the darkest. | I - Size of the lead used, D - Darkness of writing |
| Jimmy decided to test how fast he ran a mile in hot weather, cold weather, and warm weather. | I - Temperature, D - Time it takes to run 1 mile |
| How does factory pollution affect trees. | I - Level of pollution, D - How many trees die |
| Which type of material can block the most wifi signal? | I - Type of material, D - Strength of the wifi signal getting through the material |
| There are 3 brands of light bulbs. 1 is the expensive, high-quality brand. One is the cheap store brand. Which puts off the most light? | I - Brand of bulb, D - How much light is put off |
| 3 people have lice. The doctor gives 1 person lice treatment A, the 2nd gets lice treatment B, and the 3rd gets nothing. Their lice is checked 4 days later. | I - Type of treatment, D - Whether or not the lice goes away |
| 3 people were bitten by Felisha's dog, The 1st person got one type of medicine, the 2nd got a different type, and the 3rd just got a pat on the back. | I - Treatment, D - How the bite healed |
| A scientists measured how frequently a cricket chirped at room temperature and at 180 degrees. | I - Temperature, D - Number of chirps. |
| Bob is overweight because he sits on the couch eating donuts. His doctor tells him to run around the neighborhood 4 times every day. His weight is checked after 5 weeks. | I - Exercise, D - Weight |
| Jamie wants to know if birds are attracted to differently colored bowls. She puts birdseed in 4 different bowls and measures how much of the food is eaten. | I - Color of bowl, D - How much food is eaten |
