Cells
Which is an example of a unicellular organism? A. fish B. tree C. fungi D. human
What is C, fungi.
A slice of pizza begins with and changes to which form of energy in the body
What is chemical to mechanical energy?
When a brake rubs against a wheel, what force is applied ? balanced or unbalanced force
unbalanced force
What is the main purpose of living organisms? Pick 2 answers A. to survive B. to reproduce C. to produce food for other organisms D. to work with other single celled organisms
What is A and B, to survive and reproduce.
Primary Succession occurs when pioneer species move into an area with no plants. What is an example of a pioneer species. A. Conifer trees and tall grasses B. lichen and mosses turn rock into soil C. grasses and weeds that release seeds in the wind D.vines and shrubs that protect from erosion
What is B. lichen and mosses turn rock into soil
A bird sitting in a tree has what TYPE of energy?
What is potential energy?
What is the force of a 2kg apple falling to the ground and an acceleration of 24 m/s2
What is 48N ?
Which organelle is used for photosynthesis A. Nucleus B. vacuole C. cell wall D. chloroplasts
What is D, chloroplasts
A biome with a large amount of producers and consumers that interact successfully is said to be
A. biotic B. biodiverse c.abiotic d. a rainforest
What is B biodiverse
Brad rode the roller coaster at Fiesta Texas. The coaster is demonstrating what TYPE of energy?
What is kinetic energy?
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?
Which organelle is responsible for containing dna and controlling cell functions
nucleus
An oil spill in the Gulf of Mexico has destroyed the habitats of many organisms. Many organisms have died or migrated. Is this an example of a short term or long term change
What is long term change
When a coin is tossed in the air. It travels upward, slows down, momentarily reaches zero speed, then moves downward at an increasing speed. What is changing? Speed, velocity or acceleration
What is velocity
Turning on a flashlight requires which forms of energy transformations?
What is chemical>electrical>radiant
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
describe at 3 organelle differences of a plant cell compared to an animal cell
What is cell wall, chloroplasts, large vacuole
Tyler is classifying organisms according to their source of energy. Based on the food chain below, which organism would receive the least amount of energy? sun ---maple leaf--ant--spider--bird
What is a bird?
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.
Burning wood transforms which forms of energy? (must be a complete answer)
What is chemical>radiant>thermal
Sam is building a car to race down a ramp. The car weighs 100 grams. What could Sam do to increase the speed of the car?
What is decrease the mass of the car?