Science SSA Review

Front

What is the dependent variable in Caitlyn’s experiment?

Back

The height of the Plant

Front

What was William’s independent variable in his experiment on the effect of different colors of light on the rate of photosynthesis in aquatic plants?

Back

The color of light

Front

What is the control group in Caitlyn's experiment on pepper plants?

Back

The pepper plants watered with plain water.

Front

Why can a scientific investigation only have ONE independent variable?

Back

With more than one change/independent variable, you will not know what affected the outcome.

Front

David tests a new type of skateboard wheel by releasing the skateboard at the top of a curved structure and measuring the distance traveled. The table lists distances for trials with a 50 kg weight: Trial 1: 21.4 m, Trial 2: 23.5 m, Trial 3: 20.9 m. Which scientific practice is represented by this data?

Back

repetition

Front

Which step of Angelica's procedure indicates replication? Steps: 1. Roll a wooden ball down a 3-meter long ramp. 2. Measure the time it took for the ball to reach the bottom. 3. Roll the ball 5 more times from the starting point. 4. Find the average time. 5. Trade procedures with another group and conduct the first 4 steps.

Back

Step 5

Front

What must a hypothesis be?

Back

testable

Front

Why are models important?

Back

They allow scientists to study objects that may be too big or too small.

Front

What does the change from Ptolemy's to Copernicus's model show about scientific knowledge?

Back

Scientific knowledge changes as a result of new evidence.

Front

The current knowledge concerning plate tectonics is the result of the investigations and observations of many scientists. The work of these scientists forms a well-accepted explanation about plate tectonics. What is this body of knowledge an example of?

Back

theory