Martin has a pet lizard. Martin notices that on some days, the lizard is active and runs around the tank. On other days, the lizard hardly moves at all. Martin wonders what factors affect how active his lizard is. So, he decides to design an experiment. He has the following supplies available:

• one pet lizard

• live crickets

• live mealworms

• one heating lamp

Using only these supplies, which question can Martin investigate with an experiment?              

an is making a fruit salad. She mixes some apple slices with orange and pineapple slices, and leaves the rest of the apple slices on the counter. A few minutes later, she notices that the apple slices on the counter have turned brown. She wonders what factors affect how quickly sliced fruit turns brown. So, she decides to design an experiment. She has the following supplies available:

• two apples

• two bananas

• orange juice

• a kitchen knife

Using only these supplies, which question can Tan investigate with an experiment?           

Omar is painting watercolor pictures with his friend. An hour after they have finished, Omar notices one painting is dry but the other is not. He wonders what factors affect how quickly watercolor paintings dry. So, he decides to design an experiment. He has the following supplies available:

• two freshly painted watercolor pictures of the same size

• his dining room table

• a picnic table in his backyard

• a heater

Using only these supplies, which question can Omar investigate with an experiment?                 

Kathleen has a garden that is sometimes visited by deer. She notices that the deer eat some plants in her garden more than others. She wonders what factors affect which plants the deer eat. So, she decides to design an experiment. She has the following supplies available:

• a garlic spray used to keep garden pests away

• four tomato plants

• four bean plants

Using only these supplies, which question can Kathleen investigate with an experiment?                      

Maggie is sledding with her friends. She notices that some of them go faster down the sledding hill. She wonders what factors affect sledding speed. So, she decides to design an experiment. She has the following supplies available:

• access to a small snow-covered hill at the park

• a small plastic sled

• a large plastic sled

• a rubber inner tube sled

• a stopwatch

Using only these supplies, which question can Maggie investigate with an experiment?                

Jackson mixes oil and vinegar to make salad dressing. He notices that after a few minutes, the oil and vinegar separate. He wonders what factors affect how quickly liquids separate. So, he decides to design an experiment. He has the following supplies available:

• three glass bottles

• olive oil

• vegetable oil

• vinegar

• cold water

Using only these supplies, which question can Jackson investigate with an experiment?            

Leah notices that her cell phone charges more quickly sometimes and more slowly other times. She wonders what factors affect how quickly a phone charges. So, she decides to design an experiment. She has the following supplies available:

• one cell phone

• a two-foot-long charging cable

• a five-foot-long charging cable

• a stopwatch

• a wall outlet

Using only these supplies, which question can Leah investigate with an experiment?      

Hayley wants to grow sunflowers in her backyard garden. She notices that some sunflowers grow much taller than others. She is curious about what factors affect how sunflowers grow. So, she decides to design an experiment. She has the following supplies available:

• seeds from one type of sunflower

• soil

• one wooden planter box in the sun

• one wooden planter box in the shade

• one plastic planter box in the sun

• water

Using only these supplies, which question can Hayley investigate with an experiment?            

Noah went to a magic show. The magician rubbed a balloon on her hair and then held the balloon against a wall. When the magician released the balloon, Noah was amazed to see that it stuck to the wall! He wonders what factors affect how well balloons stick to different surfaces. So, he decides to design an experiment. He has the following supplies available:

•     the hair on his own head

  •     a cotton blanket

    •     a wooden door

      •     five rubber balloons

Using only these supplies, which question can Noah investigate with an experiment?                      

Lester is washing dishes after cooking his dinner. He notices that some of the dishes still feel oily after being washed. He wonders what factors affect how clean dishes are after they are washed. So, he decides to design an experiment. He has the following supplies available:

•     a sponge

  •     liquid dish detergent

    •     a bar of soap

      •     hot water

        •     cold water

          •     a pile of dirty dishes

Using only these supplies, which question can Lester investigate with an experiment?