Exploring Science Concepts

What is the scientific method?

• A random guessing technique

• A way to memorize facts without testing

• A method for cooking scientific experiments

• The scientific method is a systematic approach to inquiry that involves observation, hypothesis formulation, experimentation, and conclusion.

Name the three states of matter.

• solid, liquid, gas

• plasma

• steam

• ice

What is the role of a hypothesis in an experiment?

• To collect data without any predictions.

• The role of a hypothesis in an experiment is to provide a testable prediction that guides the research.

• To summarize the results of the experiment.

• To provide a detailed explanation of the findings.

Define photosynthesis in simple terms.

• Photosynthesis is the method by which plants breathe in oxygen.

• Photosynthesis is the process by which plants make their own food using sunlight, carbon dioxide, and water.

• Photosynthesis is the process of plants absorbing nutrients from the soil.

• Photosynthesis is how animals convert food into energy.

What are the basic units of life called?

• Cells

• Tissues

• Molecules

• Atoms

Explain the difference between a plant cell and an animal cell.

• Animal cells can photosynthesize due to the presence of chloroplasts.

• Animal cells have a cell wall, chloroplasts, and large vacuoles; plant cells do not.

• Plant cells have a cell wall, chloroplasts, and large vacuoles; animal cells do not.

• Plant cells are smaller than animal cells and have more organelles.

What is gravity?

• Gravity is the force of attraction between two masses.

• Gravity is the curvature of time.

• Gravity is the speed of light.

• Gravity is a type of energy.

Name one renewable and one non-renewable energy source.

• Renewable: Solar energy, Non-renewable: Coal

• Geothermal energy, Uranium

• Hydropower, Oil

• Wind energy, Natural gas

What is the function of the roots in a plant?

• The function of the roots in a plant is to anchor it, absorb water and nutrients, and store energy.

• To transport oxygen throughout the plant

• To facilitate photosynthesis

• To produce flowers and fruits

Describe the water cycle in brief.

• The water cycle is the continuous movement of water through evaporation, condensation, precipitation, and collection.

• The water cycle only involves rivers and lakes.

• The water cycle is a one-time process of water flow.

• The water cycle is the process of water being stored underground.