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Tenth Grade (Grade 10) Science Questions

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Grade 10 Periodic Table and Elements
The ionic radius trend for the groups on the periodic table is that                                      .
  1. it increases as you go down the group
  2. it decreases as you go down the group
  3. there is none
  4. they are all the same for one group
Grade 10 Human Reproduction
Fertilization usually occurs in the
  1. ovary.
  2. Fallopian tubes.
  3. vagina.
  4. uterus.
Grade 10 Forces and Motion

This question is a part of a group with common instructions. View group »

The distance traveled by a race car is 7 km in 100 seconds. What is its speed?
  1. 70 m/s
  2. 70 Km/h
  3. 700 m/s
  4. 7 Km/h
Grade 10 Waves and Sound
If a large number of waves pass by a certain point in a given time, the waves have                            .
  1. a high frequency
  2. a low frequency
  3. it doesn't affect frequency
  4. none of the above
Grade 10 Reactions
Chemical reactions that absorb heat are called                 reactions.
  1. homogeneous
  2. heterogeneous
  3. exothermic
  4. endothermic
Grade 10 Scientific Methods and Applications
How many zeros are significant figures in the measurement 0.0007004070 m?
  1. none
  2. 7
  3. 4
  4. 2
Grade 10 Atomic Structure

This question is a part of a group with common instructions. View group »

In a famous experiment conducted by Ernest Rutherford, positively charged alpha particles were scattered by a thin gold foil. Which of the following is a conclusion that resulted from this experiment?
  1. The nucleus is negatively charged.
  2. The atom is a dense solid and is indivisible.
  3. The mass is conserved when atoms react chemically.
  4. The nucleus is very small and the atom is mostly empty space.
Grade 10 DNA, RNA, and Genetics
The base pair rule states that
  1. replication is semiconservative.
  2. A pairs with T, and G pairs with C.
  3. DNA is a double helix held together by hydrogen bonds.
  4. A pairs with G, and T pairs with C.
Grade 10 Forces and Motion
What kind of speed vs. time graph shows a car slowing down?
  1. No slope (flat line)
  2. positive slope
  3. negative slope
  4. all of the above
Grade 10 Cell Structure and Function
What is happening during the phase of mitosis represented in the image?
Cell Prophase
  1. Cytokinesis divides the cytoplasm.
  2. Chromatids coil to form chromosomes.
  3. Chromosomes move to opposite poles of the cell.
  4. Chromosomes align along the "equator" of the cell.
Grade 10 Biochemical Pathways
The process of cellular respiration
  1. occurs only in animals.
  2. is performed only by organisms that cannot perform photosynthesis.
  3. occurs in all organisms.
  4. converts chemical energy in food to usable energy (ATP) in all organisms.
Grade 10 Symbiosis
Two different kinds of organisms living together for mutual benefit have a relationship of
  1. symbiosis.
  2. heterotroph.
  3. parasitosis.
  4. saprophyte.
Grade 10 Lab Practices and Tools
                        invention of the microscope is the basis of microbiology today.
  1. William Harvey's
  2. Gabriel Fahrenheit's
  3. Anton von Leeuwenhoek's
  4. William Roentgen's
Grade 10 Scientific Method
The                 variable is the measurable variable.
  1. dependent
  2. independent
  3. controlled
  4. uncontrolled
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