Life Science
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Random
100

This is what all organisms are made of. The building blocks of all organisms.

What are cells?

100

When heat is released during a chemical change.

What is an exothermic reaction?

100

This occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. The Earth is between the Sun and the Moon.

What is a lunar eclipse?

100

Screws, nails, tape and staples have this in common.

What are types of fasteners?

100

When chloroplasts do a chemical reaction that converts water and carbon dioxide into sugar and oxygen. Sunlight is needed for this reaction to happen.

What is photosynthesis?

200

The part of a cell responsible for making energy for an organism using the process known as cellular respiration.

What is the mitochondria?

200

The amount of matter that is packed into a specific space.

What is density?

200

The galaxy that our solar system is a part of.

What is the Milky Way galaxy?

200

The limitations on a design when trying to solve a problem.

What are contraints?

200

Heat transfer through objects that are in contact with each other.

What is conduction?

300

The systems that work together to deliver oxygen to all parts of the body.

What are the respiratory and circulatory systems?

300

This protects our planet from harmful radiation and is a force created by moving electrical charges.

What is magnetic field?

300

The coastlines of several continents appear to fit together like puzzle pieces and fossils of the same extinct organisms are found on continents that are separated by an ocean.

What is evidence for continental drift?

300

The part of a communication system that sends a message.

What is a transmitter?

300

Objects will stay in motion in a straight line unless acted upon by an outside force.

What is Newton's First Law of Motion?

400

Some different types of organisms:

- have similar traits with similar functions

- look very similar as embryos

- have very similar DNA

What is evidence for evolution?

400

The place on a roller coaster ride when the cart has maximum potential energy and minimum kinetic energy.

What is at the top of a roller coaster hill?

400

The theory that explains the formation of mountains, trenches, volcanoes, rifts, etc.

What is plate tectonics?

400

The base, or bottom, or a structure that is what everything is built upon.

What is the foundation?

400

Molecules are totally spread out and fill an entire space. The molecules are most energetic. 

What is a gas?

500

The type of relationship between organisms where one type of organism benefits and the other organism is harmed.

What is a parasitic relationship?

500

A space without molecules. As a result, it is an excellent heat insulator.

What is a vacuum?

500

Brings cold air and more severe weather into a region.

What is a cold front?

500

Properties of materials that are always the same.

What are characteristic properties?

500

Heat transfer when hot things rise and cool things sink. 

What is convection?