Science

By Mr. Trewartha

Science Links

Scientific Investigation, Reasoning, and Logic

3.1 Scientific Reasoning

Observations.

Predictions.

Classify.

Sequence.

Measure: length, volume, mass, and temperature are estimated (metric & customary)

Time

Hypotheses

Data are gathered, charted, graphed, and analyzed

Inferences

Data are communicated.

Force, Motion, and Energy

3.2 Simple and compound machines

 Matter

3.3 Solid, Liquid, Gas

Objects are made of one or more materials.

Physical.

Physical changes.

Life Processes

3.4 Behavioral and physical Adaptations

 Living Systems

3.5 Relationships in the food chains.

Producer, consumer, decomposer.

Herbivore, carnivore, omnivore.

Predator and prey.

3.6 Plants and animals in ecosystems support diversity and share limited resources.

Aquatic ecosystems.

Terrestrial ecosystems.

Populations and communities

Human role in conserving limited resources.

Interrelationships in Earth/Space Systems

3.7 Soil

Plant growth

Subsoil and bedrock

Rock, clay, silt, sand, and humus are components of soils.

Soil is a natural resource.

Earth Patterns, Cycles, and Change

3.8 Patterns and cycles in nature.

Day and night

Seasonal changes

Phases of the moon

Tides

Animal life cycles

Plant life cycles.

3.9 Water cycle

 

Earth Resources

3.10 Natural events and humans affect the survival of species. Key concepts include

Weather

Erosion.

Conservation.

 

3.11 Sources of energy.

Sun.

Renewable and nonrenewable.

 

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