Realgrades

4) A iron nail - Which will strongly be attracted to a magnet? 1) Wooden block 2) A glass marble 3) A copper pipe 4) A iron nail They will move toward each other. - What will happen to a magnet that is positioned both N S? The will move further apart. - What will happen if one magnet is N S and the other is S N? A. North poles attract south poles. - What is true about poles on magnets? A.North poles attract south poles. B. North poles repel south poles. C. North poles attract ...

What is the function of the organ shown below (pancreas)? - Produces enzymes that break down carbohydrates, proteins, and fats What is the name for the muscular contractions that push food through the digestive system? - Peristalsis The small intestine shown below contains lymphatic vessels but no capillaries. Which nutrient will be absorbed by this small intestine? - Fatty Acids. Two types of vessels absorb nutrients from the fluid in the small intestine. Capillaries absorb simple sugars,...

A horizontal line represents __ on a distance time graph - correct answer No movement A horizontal line represents___ on a veliocity time graph - correct answer Constant speed A line with a constant slope represents (distance time) - correct answer Constant speed Line with a constabt slope represents (veliciory time) - correct answer ...

A white powder is added to a solution. The images show observations made before the powder is added, just after the powder has been added, and a little while later. (The liquid in the small beaker is phenol red solution.) What evidence shows that a chemical change has taken place? - correct answer Correct Answer: D. All of the above. A reaction produces a gas, which is collected in a glass cylinder. When a glowing splint is placed inside the cont...

1. A student tried to solve the following problem by selecting the tile as shown. What, if anything, did the student do wrong? - correct answer B. The student chose the correct tile, but needs to flip the tile to make the units cancel 2. Based on the tiles, shown, how many moles of oxygen gas (O2) are needed to produce 36.04 grams of water (H2O) when reacting with access ethane in the equation: 2C2H6 + 7O2 —> 5CO2 + 6H2O? - correct answer ...

What type of wave is shown below? A. Transverse wave B. Longitudinal wave C. Combined wave D. Sound wave - correct answer C. Combined wave What is the amplitude and wavelength of the wave shown below? A. Amplitude: 30 cm; wavelength: 60 cm B. Amplitude: 30 cm; wavelength: 110 cm C. Amplitude: 60 cm; wavelength: 60 cm D. Amplitude: 60 cm; wavelength: 110 cm - correct answer B. Amplitud...

Based on the images below, what is the mass of the flowerpot? (Masses are labeled in kilograms.) - correct answer B. between 4 kg and 5 kg What is the weight of the turkey? - correct answer C. 71 newtons The force of gravity on the surface of Mercury is much less than on Earth. A rock has a weight of 100 newtons on Earth. What do you know about the weight of the rock on Mercury? - correct answer ...

Which set of diagrams shows a balanced chemical equation? - correct answer C. Diagram C Which set of coefficients would balance the following equation? Mg + AlCl3 = Al + MgCl2 - correct answer B. 3Mg + 2AlCl3 = 2Al + 3MgCl2 Which set of coefficients would balance the following chemical equation? H3PO4 + RbOH = H2O + Rb3PO4 - correct answer D. H3PO4 + ...

Q1) What is the order of the seasons? - correct answer spring, summer, fall, and winter. Q2) A traffic light is green. What color will it be next? - correct answer Yellow Q3) If today is Wednesday, what day will it be 9 days from now? - correct answer Friday Q4) What do seasons, traffic lights, and days of the week all have in common? - correct ans...

Which number is equal to the number of protons in the atom? - correct answer Atomic Number No charge at all? - correct answer Neutrons (n0) Negative Charge? - correct answer Electrons (e-) Radioactive? - correct answer The atoms decay over time and emit radiation. Which isotope, Li-6 or Li-7 is the ...