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The planets in our solar system stay in their orbits because of the __________.
The Moon orbits the Earth.
salt forming after mixing two liquids
force of gravity on their masses
They did not consider characteristics other than weight which can affect the speed at which objects fall.
nitrogen
animals that have a thick layer of fat beneath their skin
chemical change
A bar magnet has a permanent magnetic field, while an electromagnet has a temporary magnetic field.
Which animal species are most likely to survive in a marine environment that has very cold water temperatures?
The Moon orbits the Earth.
salt forming after mixing two liquids
force of gravity on their masses
They did not consider characteristics other than weight which can affect the speed at which objects fall.
nitrogen
animals that have a thick layer of fat beneath their skin
chemical change
A bar magnet has a permanent magnetic field, while an electromagnet has a temporary magnetic field.
Which of these represents a chemical change?
The Moon orbits the Earth.
salt forming after mixing two liquids
force of gravity on their masses
They did not consider characteristics other than weight which can affect the speed at which objects fall.
nitrogen
animals that have a thick layer of fat beneath their skin
chemical change
A bar magnet has a permanent magnetic field, while an electromagnet has a temporary magnetic field.
Hernando ran an electric current through a beaker of distilled water and separated the water into the gases H2 and O2. What type of change did he produce?
The Moon orbits the Earth.
salt forming after mixing two liquids
force of gravity on their masses
They did not consider characteristics other than weight which can affect the speed at which objects fall.
nitrogen
animals that have a thick layer of fat beneath their skin
chemical change
A bar magnet has a permanent magnetic field, while an electromagnet has a temporary magnetic field.
Why does Earth have a greater gravitational pull than the Moon?
The Moon orbits the Earth.
salt forming after mixing two liquids
force of gravity on their masses
They did not consider characteristics other than weight which can affect the speed at which objects fall.
nitrogen
animals that have a thick layer of fat beneath their skin
chemical change
A bar magnet has a permanent magnetic field, while an electromagnet has a temporary magnetic field.
Earth's atmosphere is made up of several gases. Which gas makes up over 75% of Earth's atmosphere?
The Moon orbits the Earth.
salt forming after mixing two liquids
force of gravity on their masses
They did not consider characteristics other than weight which can affect the speed at which objects fall.
nitrogen
animals that have a thick layer of fat beneath their skin
chemical change
A bar magnet has a permanent magnetic field, while an electromagnet has a temporary magnetic field.
Which statement describes a difference between a bar magnet and an electromagnet?
The Moon orbits the Earth.
salt forming after mixing two liquids
force of gravity on their masses
They did not consider characteristics other than weight which can affect the speed at which objects fall.
nitrogen
animals that have a thick layer of fat beneath their skin
chemical change
A bar magnet has a permanent magnetic field, while an electromagnet has a temporary magnetic field.
Jules and Katie concluded that light objects fall at a much slower rate of speed than heavy objects. Their teacher told them their conclusion was incorrect. What kind of error did the students make to produce the incorrect conclusion?
The Moon orbits the Earth.
salt forming after mixing two liquids
force of gravity on their masses
They did not consider characteristics other than weight which can affect the speed at which objects fall.
nitrogen
animals that have a thick layer of fat beneath their skin
chemical change
A bar magnet has a permanent magnetic field, while an electromagnet has a temporary magnetic field.
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