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Questions (134)
Which seed variety had more total plants germinate? about pito beans
Which seed variety seemed to germinate more quickly? about beans
Which seed varieties did you use? about beans
. What were the dependent and independent variables for this experiment? What were the constants? about beans
. What were the dependent and independent variables for this experiment? What were the constants?
The diagram shows the life cycle of a dragonfly.
An image of the life cycle of a dragonfly. Text that reads: 1 2 3 4. Which
The diagram shows the life cycle of a fern.
A spore grows into a mature gamete-producing plant. Text that reads: 1 2 3 4 Female
The stars appear to move across the sky every day, but their paths change throughout the year. Here is a model of the Sun-Earth
The diagram shows a ball that is dropped and allowed to bounce.
An image of a ball that is dropped and allowed to bounce. Text
When planning space exploration, scientists face many challenges. One issue is the weight of the items being transported. They
The pedigree diagram shows how a dominant trait is inherited in a family. The red circle and squares show family members with
Which three processes do the cells of this plant perform as it changes from a seed to the young plant shown?
An image of sapling.
Which statement describes the limitations of the geocentric model?
A. The model cannot explain why planets appear to go backward
Which statement best explains why so many fossils look different from the millions of species currently living on Earth?
A. The
Which statement best describes evolution in a population?
A. It is a gene for a trait that helps an individual reproduce more
Which two statements must be true to define a species?
Organisms must have very similar DNA. Organisms must be a common ancestor
Which statement best describes how an X-ray telescope detects a supernova?
Which statement best describes how an X-ray telescope
Which statement best describes what happens during a lunar eclipse?
A. The Sun casts a shadow directly on Earth and the Moon. B.
Many flowering plants depend on bees for pollination and reproduction. Scientists have found that different kinds of bees can
Why do other stars look much smaller than the Sun when viewed from Earth?
A. They are much farther away than the Sun. B. Their
This table lists some characteristics of two planets.
Earth Venus Mass 5.97 x 1024 kg 4.87 x 1024 kg Gravity 9.8 m/s2 8.9 m/s2
The photo shows the leaves from one type of vascular plant. Use the dichotomous key to identify the type of plant that has these
The photo on the left shows an alligator hiding in swamp water. The photo on the right shows an alligator with a mutation for
A diagram of different positions of earth. Text that reads: Earth. First quarter moon. Solar tide. Lunar tide. Last quarter
Which planet has the largest gravitational force?
A. Jupiter B. Saturn C. Mercury D. Uranus
Two students hang a magnet just above a paper clip.
Which action would make the magnetic force between the magnet and the paper
This wombat is a small, pouched mammal that lives in Australia. Wombats eat grass at night. They live in burrows and can run
Which diagram best shows the field lines around two bar magnets attracting each other?
A. An image of a magnet emitting out
The chart lists five common animals and the phylum each one belongs to. These phyla are classified into two larger groups based
Which statement accurately describes a relationship between parts of the universe?
A. There are billions of galaxies in a solar
According to the Hertzsprung-Russell diagram, which two groups are most likely to contain the stars with the lowest
What are comets made of?
A. Dust, sand, and hydrogen B. Dust, metal, and helium C. Rock, metal, and liquid water D. Rock, dust,
Which statement does not describe the relationship between genes and inherited traits?
A. Some genes influence more than one
How could gene therapy be used to treat diseases caused by mutated genes?
A. It could infect a person with a virus that is more
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