Physical Science
A soccer player kicks a soccer ball across a field. Which factor has the most effect on the distance the soccer ball travels?
A the color of the ball
B the force of the kick
C the length of the field
D the temperature of the air
B the force of the kick
A coyote sees a mouse on the forest floor. The mouse smells the coyote. How will each most likely respond?
A They will move toward each other.
B They will move away from each other.
C The coyote will move toward the mouse, and the mouse will move away from the coyote.
D The coyote will move away from the mouse, and the mouse will move toward the coyote.
C The coyote will move toward the mouse, and the mouse will move away from the coyote.
Which statement correctly describes the ages of fossils found in rock layers?
A The oldest fossils are near the bottom, and the youngest are near the top.
B The oldest fossils are near the top, and the youngest are near the bottom.
C Fossils of all ages are found together near the middle.
D Fossils of all ages are found together near the bottom.
A The oldest fossils are near the bottom, and the youngest are near the top.
Which of the following is an example of chemical change?
a. Filling up a balloon with hot air.
b. Taking a glass of water and freezing it by placing it in the freezer.
c. A plant collecting sunlight and turning it into food.
d. Your dog ripping up your homework.
c. A plant collecting sunlight and turning it into food.
The sun is a _____ in our solar system.
Star
Two teams (A and B) play a game of tug-of-war. A ribbon is tied in the center of a long rope. The force applied by Team A is 1,800 N and the force applied by Team B is 1,500 N. Is this a balanced or unbalanced force?
Unbalanced
Many traits are inherited from parents. Which would be a trait that Tiffany inherited from her parents?
A likes to cook
B pale complexion
C plays soccer
D speaks Italian
B pale complexion
Which statement best describes the relationship of the Sun, Earth, and other stars?
A The Sun appears larger than all other stars because it is the closest to Earth.
B The Sun appears smaller than all other stars, and the other stars are closer to Earth.
C The Sun is larger than all other stars, and the other stars are closer to Earth.
D The Sun is the smallest star compared to all other stars because it is the closest to Earth.
A The Sun appears larger than all other stars because it is the closest to Earth.
Which of the following is an example of physical change?
a. Mixing baking soda and vinegar together, and this causes bubbles and foam.
b. A glass cup falls from the counter and shatters on the ground.
c. Lighting a piece of paper on fire and the paper burns up and leaves ashes.
d. Baking a birthday cake for your mother.
b. A glass cup falls from the counter and shatters on the ground.
The Earth takes how long to rotate?
24 Hours/1 day
Water is dripping from a sink. What is causing the water drops to fall to the ground?
A magnetism
B evaporation
C gravity
D push
C Gravity
Skunks are mammals that have black fur with two white stripes across the back and tail. What is the cause of the black and white fur?
A. the impact of food consumed
B. an effect of staying in burrows
C. an adaptation to a specific climate
D. the transfer of traits from parents to offspring
D. the transfer of traits from parents to offspring
The North Star can be used for navigation in the Northern Hemisphere. Why is the North Star a reliable star to use for navigation?
A The North Star is located above the North Pole and can be found in a similar location each night with a star chart.
B The North Star is located above the North Pole and can be seen with a telescope when no other stars are visible.
C The North Star is located close to the Sun and can be found in a similar location each night with a star chart.
D The North Star is located close to the Sun and can be seen with a telescope when no other stars are visible.
A The North Star is located above the North Pole and can be found in a similar location each night with a star chart.
Which change can be easily be reversed?
a. Chemical Change
b. Physical Change
c. Both a physical and chemical change
d. Neither a physical or chemical change
b. physical change
What holds Earth in orbit around the Sun?
Gravity
The student makes another saltwater solution with 100 grams of water and 10 grams of salt in a container. The student then adds 30 grams of sugar and 10 grams of sand to the saltwater solution and stirs. After stirring, the sugar dissolves in the solution, but the sand settles at the bottom.
What is the total mass of the mixture after the student adds the sugar and sand?
150 grams
For many years scientists thought that dinosaurs rapidly replaced their ancestors. New information shows that dinosaurs and their non-dinosaur ancestors may have existed together for tens of millions of years. Which evidence most likely made it possible to support the idea that dinosaurs and their ancestors coexisted for millions of years?
A Fewer fossils were found of amphibians than of dinosaurs.
B More fossils found were of larger organisms than of dinosaurs.
C Herbivore bones were found in each rock layer.
D Bones of three different species were found in the same rock layer.
D Bones of three different species were found in the same rock layer.
Draw a picture of a crescent moon.
Ms. Thomas is looking.
What property stays the same during physical and chemical changes?
a. Density
b. Shape
c. Mass
d. Arrangement of particle
C. Mass
Balanced forces are _____ in strength and opposite in direction resulting in no change in motion of an object.
equal
Joseph and Sam try to move a box by applying equal amounts of force, as shown in the diagram. The box can be moved by applying a force greater than or equal to 60 N.
What change would be needed to move the box?
A. Joseph should apply a force equal to 30 N.Joseph should apply a force equal to 30 N.
B. Sam should apply a force equal to 30 N.Sam should apply a force equal to 30 N.
C. Joseph and Sam should each apply a force of 30 N in the same direction.
D. Joseph and Sam should each apply a force of 30 N in the opposite direction of one another.
C. Joseph and Sam should each apply a force of 30 N in the same direction.
A mother cat has a litter of three kittens. In which ways could each kitten have different characteristics than its mother?
A Each kitten could have a different body structure and fur color.
B Each kitten could have a different fur color and fur pattern.
C Each kitten could have a different hunting instinct and fur pattern.
D Each kitten could have a different hunting instinct and fewer claws.
B Each kitten could have a different fur color and fur pattern
1. Which term is used to describe the movement of Earth as it orbits the Sun?
2. Which term is used to describe the movement of the moon around Earth?
1. Revolution
2. Orbit
Roba is playing a game of jump the dots. There are 5 dots on the floor. It takes Roba 0.4 seconds to get from each dot. How long will it take her start at dot 1 and end at dot 1?
4.8 seconds
Substances change phases when they _____, _____, _______ or _________. Phase changes are caused by changes in molecular movement (molecules moving faster or slower).
freeze, melt, evaporate or condense