Each Pair of Figures Is Similar

How many pairs of valence electrons are being shared in a single ammonia molecule?

• 0 pair - 0 valence electrons

• 1 pair - 2 valence electrons

• 2 pair - 4 valence electrons

• 3 pair - 6 valence electrons

Which of the following pairs of geometric figures are similar due to having proportional sides and equal angles?

• A square and a rectangle

• Two equilateral triangles

• A circle and an ellipse

• A pentagon and a hexagon

In a laboratory experiment, two similar beakers are used. If the height of the first beaker is doubled, what happens to the volume of the second beaker if it remains similar?

• It doubles

• It triples

• It quadruples

• It remains the same

Which of the following pairs of chemical structures are similar due to having the same molecular geometry?

Two similar right-angled triangles have their hypotenuses in the ratio 3:4. What is the ratio of their areas?

• 3:4

• 9:16

• 6:8

• 12:16

Which of the following pairs of planets are similar in terms of having a rocky surface?

• Earth and Jupiter

• Mars and Venus

• Saturn and Neptune

• Uranus and Mercury

In physics, which of the following pairs of forces are similar due to being equal in magnitude and opposite in direction?

• Gravitational force and normal force

• Tension force and frictional force

• Action and reaction forces

• Magnetic force and electric force

Tags

NGSS.MS-PS2-1

Which of the following pairs of cells are similar in terms of having a nucleus?

• Red blood cell and white blood cell

• Bacterial cell and plant cell

• Animal cell and plant cell

• Virus and bacterium

Tags

NGSS.MS-LS4-2

In terms of energy transformation, which of the following pairs of devices are similar?

• Solar panel and wind turbine

• Battery and capacitor

• Electric motor and generator

• Light bulb and LED

Tags

NGSS.HS-PS3-3

Which of the following pairs of ecosystems are similar due to having a high level of biodiversity?

• Desert and tundra

• Rainforest and coral reef

• Savanna and grassland

• Taiga and temperate forest

Tags

NGSS.MS-LS2-5