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Grade 1 · STEM Skills and Connections · Science Investigation Skills

Ask, Test, and Share

Scientists learn by asking questions and gathering evidence. A careful test changes one thing, keeps other conditions the same, and records what happens.

Visual model

See how the ideas connect

Look · connect · explain
Start at the centre. Follow each line and explain how that idea belongs to Science Investigation Skills.

For students

Notice, predict, explain

Choose one part of the model. Predict how it connects to another part, then use the lesson evidence to explain your thinking.

For teachers

Pause for science talk

Show the model before the explanation. Ask “What do you notice?” and “What might change?” Then revisit student ideas after the worked example.

The big idea

Evidence helps us answer questions

A good investigation has a clear question, safe steps, careful observations, and a conclusion that matches the evidence.

Work it through

Compare three materials

  1. Step 1 Ask: Which material absorbs the most water - paper towel, wax paper, or cloth?
  2. Step 2 Use equal-sized pieces and place the same number of water drops on each one.
  3. Step 3 Observe what happens and record each result with words, numbers, or drawings.
  4. Step 4 Use the observations to explain which material absorbed the most water.