1.
Absorb: To soak up (14)
2.
Accurate: Free from error, correct (4)
3.
Advantage: A favorable circumstance or condition (9)
4.
Analyze: To study the parts of something carefully (1)
5.
Atom: The smallest particle of an element that still has all the properties of that element (8)
6.
Attract: To pull toward (13)
7.
Avoid: Keep away from (9)
8.
Boiling Point: The temperatture at which a liquid changes to a gas (6)
9.
Buoyancy: The ability of an object to float or rise in a liquid or gas (13)
10.
Caution: Great care so as to avoid possible danger or trouble (1)
11.
Chemical Change: A change that produces a new substance (7)
12.
Combustibility: The chemical property of being able to burn (7)
13.
Compound: A substance made of of two or more elements that are chemically bonded and cannot be seperated by physical means (7)
14.
Condensation: The changing from a gas to a liquid (6)
15.
Conductor: A material that easily transfers heat or electricity (12)
16.
Conservation: Using natural resources wisely in order to protect them (1)&(11)
17.
Continental Drift: A theory of how Earth's continents move (14)
18.
Convert: To change from one form to another (18)
19.
Current: A flow of water, air, or electricity (11)
20.
Data: Factual information collected during an experiment (4)
21.
Decrease: to get smaller in size, or to go down (2)
22.
Deposition: A process by which wind or water drops sediment in a new location (16)
23.
Disadvantage: Unfavorable (9)
24.
Dissolve: To mix completely with another substance to form a solution (8)
25.
Eclipse: When an object passes between the Sun and another object causing a shadow (15)
26.
Electric Circuit: The path of an electric current (11)
27.
Electrical Energy: The form of energy that consists of a flow of electric charges through a conductor (11)
28.
Electromagnet: A temporary magnet that works by the flow of electric current (12)
29.
Energy: The ability to do work (10)
30.
Erosion: The wearing away and movement of sediment by wind, water, or ice (16)
31.
Evaporation: The process by which a liquid changes to a gas (6)
32.
Fault: A place where a break in Earth's crust causes movement (15)
33.
Force: A push or a pull (13)
34.
Fossil Fuel: A nonrenewable resource formed from the remains of prehistoric plants and animals (15)
35.
Freezing Point: The temperature at which a liquid changes to a solid (6)
36.
Friction: The force that resists motion when two surfaces run against each other (13)
37.
Gravity: A force that pulls objects toward each other (13)
38.
Hazard: A possible source of danger (9)
39.
Hypothesis: A statement that can be tested by an investigation or observation (2)
40.
Igneous Rock: A rock that forms when magma or lava cools and hardens (17)
41.
Increase: To get larger in size, or to go up (2)
42.
Inexhaustible Resource: A resource that has an endless supply (18)
43.
Inference: An explanation based on facts, but not direct observations (4)
44.
Insulator: A material that stops or slows the flow of heat, electricity, or sound (12)
45.
Invalid: Not supported by facts; not true (3)
46.
Landform: A physical feature on Earth's surface (16)
47.
Light: A form of energy that can be seen (10)
48.
Mantle: The thick layer of rock between Earth's crust and core (14)
49.
Mass: The amount of matter in an object (2)
50.
Matter: Anything that has mass and takes up space (5)
51.
Melting Point: The temperature at which a solid changes to a liquid (6)
52.
Metamorphic Rock: A rock that has been changed by heat or pressure into another kind of rock (17)
53.
Mixture: The combination of two or more substances that are not chemically combined (8)
54.
Model: A smaller example of a real-life object (1)
55.
Natural Resources: Materials found in nature that are useful to humans (18)
56.
Nonrenewable Resource: A resource that cannot be readily replaced (18)
57.
Observe: To gather information by using the senses and/or scientific instruments (1)
58.
Orbit: The path an object takes as it moves around another object (15)
59.
Physical Change: A change in size, shape, or state of matter with no new matter being formed (7)
60.
Plate Tectonics: The theory that the plates on Earth's surface are constantly moving (14)
61.
Predict: To state what you think will happen under certain conditions based on what you know from observations or research (3)
62.
Reactivity: The ability of a substance to go through a chemical change (7)
63.
Record: To write information (5)
64.
Recycling: The process of taking a resource from a product and using it to make a new product (11)
65.
Reflection: Light energy that bounces off a surface (12)
66.
Refraction: The bending of light rays as they pass from one substance to another (12)
67.
Renewable Resources: Resources that can be replaced by nature as they are used (18)
68.
Retain: To hold in (4)&(14)
69.
Revolve: To travel in a path around another object (17)
70.
Scientific Method: A step-by-step process used to find answers to questions about the world around us (5)
71.
Sedimentary Rock: A type of rock formed when layers of sediment are pressed together and harden over time (17)
72.
Soil: The layer of Earth's surface consisting of small pieces of rock, decayed plant and animal mater, and minerals (17)
73.
Solar Energy: Energy from the sun (10)
74.
Soluble: Able to be dissolved in or by a liquid (8)
75.
Solution: A mixture of two or more substances that are evenly distributed throughout (8)
76.
Sound: A form of energy that is produced by vibrations and can be heard (10)
77.
Thermal Energy: HEAT ENERGY; Energy from heat (10)
78.
Thermometer: A tool used to measured temperature in degrees (3)
79.
Tides: The regular rise and fall of ocean levels (16)
80.
Trial: A set of measurements or observations in an investigation (4)
81.
Undergo: To go through (for example to go through a change) (5)
82.
Valid: Supported by facts; true (3)
83.
Variable: A condition or factor that changes in an experiment so the effects can be observed (5)
84.
Verify: To prove to be true (9)
85.
Volcano: An opening in Earth's crust through which lava and ash erupt (15)
86.
Volume: The amount of space an object takes up (3)
87.
Weathering: The breaking down and wearing away of rocks by water, wind, and ice (16)
88.
Weight: The measure of the pull of gravity on an object (2)
