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Experiments
Matter
Forces
Matter
Experiments
100
Why is it important for scientists to repeat their experiments? a. Repeating helps scientists to change their data b. repeating helps scientists to verify their results c. repeating helps scientists to get their data faster d. repeating helps scientists to get the results they want.
b. repeating helps scientists to verify their results
100
Rachel heats a 100-gram sample of water on the stove. She heats the water from 22 degrees C to 100 degrees C. How does the water sample change as its heated? a. the mass increases b. the volume increases c. the volume decreases d. the temperature decreases
c. the volume decreases
100
A child throws a ball across a field. The ball flies through the air until it hits the ground. Which force brings the ball to the ground? a. friction b. gravity c. magnetism d. push
b. gravity
100
BONUS EASY!! What is Ms. Campbell's favorite thing to drink?
SWEET TEA!
100
BONUS! What is the color of Ms. Campbell's car?
Dark red - cinnamon!
200
Von used three different types of bubblegum to make a bubble. He made a 5 cm bubble with bubblegum x. He made a 7cm bubble with bubblegum Y. He made a 3cm bubble with bubblegum Z. Which statement is a personal opinion about the bubblegum? a. bubblegum x made a 5cm bubble b. bubblegum z made the smallest bubble c. bubblegum y is the best choice for making bubbles d. bubblegum y made a bubble 2 cm bigger than bubble x
c. bubblegum y is the best choice for making bubbles
200
Mixtures of solids can be separated according to their properties. When a magnet is used, which property is being used to separate the objects? a. magnetism b. shape c. size d. texture
a. magnetism
200
Students are creating a tower with playing cards. The goal is to have the tallest tower standing the longest time. The students were careful not to bump the desk while they built their towers. Which of the statements correctly describe the forces acting on the tower? a. the forces are absent, so the tower is stable b. the forces are balanced, so the tower is stable c. the forces from the left are larger than the forces from the right d. the forces from the top are larger than the forces from the bottom
b. the forces are balanced, so the tower is stable
200
While unpacking a white cloth tablecloth, Karen notices that it has a hardened candle wax stain. She scrapes off as much as she can, but an area of candle wax remains where it has seeped into the fabric. What would be the fastest way to remove the remaining wax? a. apply the magnet b. remove the wax with tweezers c. use fresh wax to remove the hardened wax d. melt the wax by pouring hot water over the table cloth.
d. melt the wax by pouring hot water over the table cloth.
200
A class of twenty students was divided in groups of two students each to do a laboratory experiment. All of the groups had to repeat the experiment four times. Each group wrote down their results in a laboratory report. Which is the most likely reason that the same experiment was done by all of the groups, and repeated by each group four times? a. to improve the chance of finding and correcting an error in the data b. to ensure that all of students do an experiment with an equal level of difficulty. c. to help the students memorize the experiment, so that they can be quizzed about the data. d. to choose the data from each experiment, so that only the best data are used for the results
a. to improve the chance of finding and correcting an error in the data
300
Bailey's friend said, "oranges have a delicious taste." This statement is an example of which of the following? a. fact b. opinion c. scientific theory d. observation
b. opinion
300
Which statement is true about an atom, according to the atomic theory? a. an atom does not have any mass b. an atom is the largest unit of matter c. an atom is the smallest unit of matter d. an atom can be seen with a magnifying lens
c. an atom is the smallest unit of matter
300
Kim pushes an empty bucket across a table. Kim fills the bucket with water and pushes it again using the same force. How does adding the water change the effect of the force on the bucket? a. the force changes the bucket's mass b. the force changes the bucket's volume c. the force will move the bucket more slowly d. the force will move the bucket in a different direction
a. the force changes the bucket's mass
300
Breanna is investigating the changes in various substances as they are heated. She places four unknown solids into individual test tubes and heats them in a water bath. She records her observations after 0, 10, and 20 minutes in the water bath. If a substance has melted, she measures its temperature. Substance #1: 0 minutes - solid, 10 minutes - solid, 20 minutes - solid Substance #2: 0 minutes - solid, 10 minutes - liquid, 20 minutes - liquid Substance #3: 0 minutes - solid, 10 minutes - solid, 20 minutes - solid Substance #4: 0 minutes - solid, 10 minutes - solid, 20 minutes, liquid What can Breanna conclude from her data? a. Heating these solids did not change their state of matter b. as solids are heated, some will rapidly increase in temperature and melt c. even if their temperatures increase much higher, substances 1 and 3 will not melt d. when different solids are heated in the same way, their temperatures change in the same way
b. as solids are heated, some will rapidly increase in temperature and melt
300
The teacher has assigned students to research the chemical make-up of the atmosphere of Jupiter. What is the best way to conduct the research? a. the students should create a model of Jupiter and its moons b. the students should make a survey and ask friends for their opinions c. the students should access articles online by scientists about Jupiter d. the students should design an experiment following the scientific method
c. the students should access articles online by scientists about Jupiter
400
Scott places equal amounts of water in two cups where they will not be disturbed. One cup is placed in a shady location, and the other is placed in a sunny location. Days later, he observes that the amount of water in the cup in the shady location has decreased and that the cup in the sunny location is empty. Which statement best explains the results observed by Scott? a. the water in the shady location evaporated faster because the temperature was cooler b. the water in the shady location evaporated slower because the temperature was warmer c. the water in the sunny location evaporated slower because the temperature was cooler d. the water in the sunny location evaporated faster because the temperature was warmer
d. the water in the sunny location evaporated faster because the temperature was warmer
400
A fifth grade teacher showed the class a container of salt. As she poured the salt into the beaker, she asked students to write down which state of matter the salt is and what evidence they have to support it. The table below shows four student responses. W= salt is a liquid because it pours just like water does x = Salt is a liquid because it takes the shape of its coffee y = salt is a solid because it takes the shape of its container z = salt is a solid because each salt crystal has a definite shape Which response is correct? a. w b. x c. y d. z
d. z
400
A student builds two identical ramps using a board stacked on class textbooks. The student covers one ramp with a rug and the other with wax paper. The student releases a toy car at the top of both ramps and compares the speed and distance the car travels. The car on the wax paper ramp travels faster and farther than the car on the rug ramp. What causes this difference in force between the two cards? a. the wax paper decreases the force of gravity, while the rug increases the force of gravity b. the wax paper increases the force of gravity, while the rug decreases the force of gravity c. the wax paper decreases the force of friction, while the rug increases the force of friction. d. the wax paper increases the force of friction, while the rug decreases the force of friction
c. the wax paper decreases the force of friction, while the rug increases the force of friction.
400
Brent wants to see what the amount of various types of particles are in the soil in his yard. He digs up a sample, places it in the bottom of a jar, adds water, closes it, and shakes it vigorously. He allows the jar to sit undisturbed for a few hours and watches as the particles settle to the bottom, forming layers. He measures the height of each layer and uses this to estimate the particle size of the various types of particles in his soil. What different property of soil particles allows them to be separated by this method? a. their particle size b. their magnetic properties c. their abilities to absorb heat d. their abilities to dissolve in water
a. their particle size
400
BONUS! What is Ms. Campbell's favorite thing about school?
HER STUDNETS!!!!
500
Kassie is conducting an experiment to determine if the amount of time a substance is stirred affects how fast it dissolves in water. Kassie chooses to add vegetable oil to the water for the experiment. However, the teacher tells Kassie to choose a different substance. Why did the teacher tell Kassie to choose a different substance for the experiment? a. vegetable oil forms a solid when placed in water b. vegetable oil will evaporate when placed in water c. vegetable oil cannot be seen when placed in water d. vegetable oil will not dissolve when placed in water
d. vegetable oil will not dissolve when placed in water
500
Which mixture would be most easily separated with a strainer? a. salt and sugar b. gravel and sand c. dimes and pennies d. iron filings and soil
d. iron filings and soil
500
Mae is at a carnival and sees twin roller coasters: one is an older roller coaster and the other is a new roller coaster that has just recently been build and had its track oiled. Both roller coasters follow the same pattern of hills, drops, and turns. However, each time the older roller coaster goes around the track it returns at a slower speed than the new roller coaster. Which of these explanataions describes why the older roller coaster returns ast a slower speed than the new roller coaster? a. the older roller coaster has a bigger hill than the new one b. the older roller coaster has more gravity than the new one c. the older roller coaster experiences more friction than the new one d. the older roller coaster is coasting a longer distance than the new one.
c. the older roller coaster experiences more friction than the new one
500
BONUS! What is Ms. Campbell's favorite thing to do outside of school?
Go shopping!!!
500
What is Ms. Campbell's favorite thing to do outside?
Read a book in the sun in a hammock!