Word Problems
Krishiv walked 14.93 miles and Aparna walked 17.72 miles. How many more miles did Aparna walk than Krishiv?
2.79 miles
_________ is the force that works against motion.
Friction
The length of a shoe is 25 centimeters. Tara is trying to find the length of the shoe in meters. She multiplies 25 by 100 to get an answer of 2500 meters. Explain what she did wrong and correct her mistake.
She converted meters to centimeters. The correct answer is .25 meters.
The volume of a rectangular prism is 288 cubed feet. If the height is 12 and the width is 4, find the length. Explain how you found your answer.
length is 6
Explanations vary
Solve for x in the equation below.
3(x – 4) = 2(–2x + 1)
x = 2
After recess, Marco and 4 friends equally shared 3 bottles of water. What portion of a bottle did each person get? Express your answer as a decimal.
0.6 of a bottle
Birds trail army ants to eat other fleeing insects. The relationship between the birds and ants can be described as _________.
Kiri is trying to write an expression from the description "6 less than the product of 2 and 9". She writes "6 - (2 x 9)". Explain what she did wrong and correct her mistake.
She did the product of 2 and 9 less than 6. She should have written "(2 x 9) - 6"
You want to make mashed potatoes. The stove heats the pot of water. The boiling water cooks your potatoes. What is the sequence of thermal energy transfers? Explain how you know.
Conduction, Convection
Express 196 in exponential notation.
2^2 times 7^2
Anjali has 468 pencils. She will put them into boxes that hold 20 pencils each. What is the minimum number of boxes needed for all of the pencils?
24 boxes
When any object is heated, it __________ because the object's particles move closer together or further apart due to changes in energy.
Contracts
A rectangle has side lengths 1/2 and 3/4. Sam was trying to find the area of the rectangle and got 3/16. Explain what he did wrong and correct his mistake.
He used the formula for the area of a triangle. The correct answer is 3/8.
Explain the Coriolis Effect.
The Coriolis effect is the deflection of circulating air caused by the Earth's rotation. It causes air to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere, resulting in curved paths instead of a straight pattern.
Find the LCM of 16 and 34.
272
Dhanya bought a 50-pound bag of flour for her bakery. It was equally divided among 6 days. How much flour was used per day?
8 1/3 pounds
Bile is a fluid that is made and released by the ______ and stored in the gallbladder. Bile helps with digestion.
Liver
Jamie is calculating how much force is needed to accelerate a 66 kg skier 1 m/sec/sec. He found that a force of 67 Newtons is needed to accelerate the skier. Explain his error and correct his mistake.
He added acceleration and mass instead of multiplying. The correct answer is 66 N.
Give an example of Newton's First Law of Motion. Explain.
Answers vary.
Tyger and Newton have a long jump competition. Tyger jumps 20% further than Newton. If Newton jumps 400cm, how far did Tyger jump?
480cm
Olivia's room is 12 1/2 feet long and 10 1/3 feet wide. What is the area of her room?
129 1/6 square feet
The six types of joints in the human body are ______, ______, ______, ______, ______, and ______.
Ball and Socket, Hinge, Pivot, Condyloid, Gliding and Saddle joint
Arjal is taking a test in science. He comes across a question that asks him to define a stationary front. He writes this as his answer: "A stationary front is a weather boundary that forms when a cold front overtakes a warm". What did Arjal do wrong and correct his mistake.
He described an occluded front. A stationary front is when a cold and warm air mass meet but neither is forceful enough to move the other so they stay stationary.
A mother with homozygous Type A blood and a father with Heterozygous Type B blood have three children. Their children's blood types are AB, B, and O. Which child is adopted. Explain how you know.
The child with type O blood is adopted.
Ms. Facchino’s class has 12 girls and 8 boys. She needs two students to assist her in a science experiment. She randomly selects one student to come to the front of the classroom and then randomly selects another student from those still sitting. Find the probability that one student is a girl and one student is a boy. Draw a tree diagram to represent the scenario.
48/95