Cells
Ecosystem
Force and Motion
Energy Transformations
Force and Motion 2
100
Which is an example of a single celled organism? A. fish B. tree C. fungi D. human
What is C, fungi.
100
Which organism is a producer? A. deer B. spider C ladybug D. sunflower
What is D, sunflower.
100
Four cars are at the starting line of a race. Which car will require the most force to start moving? A. car with mass of 1200 kilograms B. car with mass of 1500 kilograms C. car with mass of 1700 kilograms D. car with mass of 2000 kilograms
What is D, car with mass of 2000 kilograms.
100
Pink powder is added to water, and the result is a red liquid. What kind of change has occurred?
What is physical change?
100
Which is the best example of a pushing force that reduces the speed of an object? A. a bat hitting a baseball B. a brake rubbing against a wheel C. a pedal turning the wheels of a bicycle D. a skateboard wheel rolling against pavement
What a brake rubbing against a wheel?
200
What is the main purpose of single celled organisms? A. to survive B. to reproduce C. to produce food for other organisms D. to work with other single celled organisms
What is A, to survive.
200
Which is most accurate in describing an estuary ecosystem? A. High salt levels keep the water clear of nutrients and proteins. B. Freshwater mixes with saltwater to provide a nutrient-rich environment. C. Animals and plants compete for food due to pollution from surrounding areas. D. Cold water mixes with saltwater to create a cooling effect that encourages growth.
What is B. Freshwater mixes with saltwater to provide a nutrient-rich environment.
200
How does friction affect speed?
What is more friction decreases speed.
200
Lucas noticed a large amount of clouds in the air. What phase change has taken place?
What is condensation?
200
Which force most likely causes the apples to fall to the ground?
What is gravity?
300
Which best describes a single celled organism? A. a small group of organisms B. a small organism with a variety of parts C. an organism that relies on other organisms to survive D. an organism that is able to carry out all its life processes
What is D, an organism that is able to carry out all its life processes.
300
A scientist took pictures of a deer, a black bear, and a squirrel in the wild. In which ecosystem did the scientist most likely take the pictures? A. estuary B deciduous forest C. grassland D.salt marsh
What is B deciduous forest.
300
Joey is studying motion. Which two measurements would Joey need to determine an object’s speed? A. distance and time B. position and time C. distance and direction D. position and direction
What is A, distance and time.
300
Brad accidentally left his crayon box in the car on a hot day. Which best explains what happened to his crayons?
What is crayons melted; changed from solid to liquid?
300
A group of 5th graders left school at 8:00 am on a field trip to a science museum 90 miles away. Which best describes the average speed of the bus if they arrived at the museum at 10:00 am? (speed = distance ÷ time) A. 30 mph B. 35 mph C. 45 mph
What is 45 mph?
400
An organism has several major body systems that work together to allow the organism to survive. Which best describes this organism? A. It is a single-celled organism. B. It is a multi-celled organism. C. It is a simple organism.
What is B, multi-celled organism?
400
Which organism plays an important role in recycling nutrients back into the environment? A. bacteria B. algae C. wolf D. tree
What is a A, bacteria?
400
A model car travels 20 meters in 15 seconds. How many meters will it travel in 45 seconds?
What is 60m.
400
Amanda melted a 4-oz chocolate bar in a pot with a lid. What is most likely true about the weight of the melted chocolate?
It weighs exactly 4 oz.
400
Jack and Trish pulled opposite ends of a rope. Neither person was able to move the rope. What can be said about the force used by each person?
What is Jack and Trish used equal force? Balanced Force
500
Which best describes a difference between single-celled organisms and multicellular organisms? A. Single-celled organisms are simple, while multicellular organisms are complex. B. Single-celled organisms have many functions, while multicellular organisms have one function. C. Single-celled organisms can live without water, while multicellular organisms cannot live without water. D. Single-celled organisms can only be found in one specific environment, while multicellular organisms can be found anywhere on Earth.
What is A. Single-celled organisms are simple, while multicellular organisms are complex.
500
Tyler is classifying organisms according to their source of energy. Based on the food chain below, which organism would be considered a carnivore? sun ---maple leaf--ant--spider--bird--mushroom A. ant B. bird C. maple leaf
What is a bird?
500
About how long would it take for an airplane traveling at 500 miles per hour to travel nonstop from San Francisco, CA to Myrtle Beach, SC if the distance between these two cities is 2,800 miles? (speed = distance ÷ time) A. between 1 and 2 hours B. between 3 and 4 hours C. between 5 and 6 hours
What is C. between 5 and 6 hour.
500
Which best explains why burning wood is a chemical change? A. The process occurs quickly. B. The process can be reversed. C. The process can be repeated. D. The process creates a new substance.
What is the process creates a new substance.
500
Sam is building a car to race down a ramp. The car weighs 100 grams. Which could Sam do to increase the speed of the car?
What is decrease the mass of the car?
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