4th Grade Science Test

Which part of the Mangrove Tree BEST allows it to absorb sunlight?

• Roots

• Leaves

• Stem

• Shoot

Roberto and Carlos are pushing the same exact type of empty cart. Roberto is moving it faster than Carlos. Which of the following BEST explains this situation?

• Roberto is using more force than Carlos.

• Roberto is using less force than Carlos.

• Carlos is using more energy than Roberto.

• Carlos and Roberto are using the same force on the carts.

Davy Jones is traveling in his ship, and he sees a dolphin jump out of the water, and hears it land back in the water. What two types of waves allowed him to experience this situation?

• Sound and Light

• Magnetic and Light

• Sound and Mechanical

• Light and X-rays

Daniel Jackson found fossils of mice after digging 40 feet. Later in the same location, he found fossils of snakes when he dug 90 feet into the ground. Which of the following most likely is true in relation to age of each set of fossils?

• They both are the same

• The snake fossils are older

• The mice fossils are older

• Both are amber fossils

Which of the following would cause water to flow the slowest down the side of hill?

• Steep side and no plants in the soil.

• Steep side and a very smooth surface.

• Gentle side and a very smooth surface.

• Gentle side and a high level of plants in the soil.

Which of the following is the best example of renewable energy?

• An old train burning coal.

• A windmill producing electricity.

• A car burning gasoline to move.

• A home using natural gas to keep it warm.

Each day for a week, Salina measured the height of the water in her pool. Each day the height dropped by an inch. Which two possibilities best predicts the cause of the height of the water dropping?

• There was a lot of rain and she added water each day.

• There was a lot of snow and sleet over the week.

• There is a leak in the pool and the water evaporated.

• She added water to the pool with a hose and it rained.

Which characteristic of a grasshopper best allows it to avoid predators?

• Strong legs to jump far

• Internal skeleton

• Ability to digest food

• Ability to produce food

When electrical energy in a wire reaches the bulb of a lamp, what is the electrical energy converted into? Choose the best answer.

• Sound

• Light

• Magnetic

• X-rays

Which of the following correctly links an example of a wave to a type of a wave?

• Light waves are mechanical waves.

• Sound waves are mechanical waves.

• X-rays are mechanical waves.

• Sound waves are electromagnetic waves.