Force and Motion
Daniel drops a penny from the Empire State building. What force causes the penny to fall to the street below?
Gravitational force.
Roses are red and violets are blue because those traits are determined by the environment. True or false?
False. They are inherited traits.
To be a fossil, a remain has to be at least ________________ years old.
10,000
What type of galaxy is the Milky Way?
Spiral galaxy.
Dan, Sally, and Ben each dropped an item off the school roof- a basketball, a tennis ball, and a marble. Which object hit the ground first?
They all landed at the same time.
Emily has a tattoo. What type of trait is this?
Acquired trait.
False. Some organisms decay completely before fossilization can occur.
Water vapor condensed from the air.
chunks of rock or metal.
A book is laying on a table. What forces are acting on the book?
Normal force and gravity.
An animal has thick fur and webbed feet. What kind of adaptations are these?
Physical.
If Layer B in Arizona contained a Trilobite fossil and Layer D in California contained a Trilobite fossil, what can we conclude about Layer B and D?
Amy has a liquid sample. Before the lab, it was clear and not bubbly. After the lab, it was blue and bubbly. What kind of change took place?
Chemical change
If the lit part of the moon is getting larger, it is _____________.
waxing.
A heavy toy car and lightweight toy car are pushed with the same force down a ramp. Which one will accelerate faster?
the lightweight toy car
Bears hibernate and birds migrate. What type of adaptations are these?
Behavioral.
What two events quickly create fossils?
Volcanos and Freezing
False. It's a solution.
How long does it take the Earth to make one rotation?
24 hours
Two people are playing tug of war. One person is pulling with 10N of force and another is pulling with 8N of force. How much net force is being applied to the rope?
2N
When beavers build dams, it is instinctive. True or False?
True. They build dams in response to environmental cues and needs. When they hear running water, they instinctively want to protect their home from leaks.
What are index fossils?
Index fossils are remains of ancient organisms that are particularly useful for dating and correlating the age of rocks.
231.5 g
Quito, Ecuador is located one mile from the equator. How do the lengths of the days and nights compare?