diff --git a/tests/test_tc1d.py b/tests/test_tc1d.py
index bbdccc8..3aa031e 100755
--- a/tests/test_tc1d.py
+++ b/tests/test_tc1d.py
@@ -2,15 +2,90 @@
 from tc1d.tc1d import yr2sec, myr2sec, kilo2base, milli2base, micro2base
 from tc1d.tc1d import mmyr2ms, deg2rad, round_to_base, calculate_eu
 
+"""
+List of tests to still create:
+# Conversions
+* yr2sec
+* myr2sec
+* kilo2base
+* milli2base
+* micro2base
+* mmyr2ms
+* deg2rad
+* round_to_base
+- tt_hist_to_ma
+
+# Thermal
+- calculate_heat_flow
+- calculate_explicit_stability
+- adiabat
+- temp_ss_implicit
+- temp_transient_explicit
+- temp_transient_implicit
+- create_intrusion
+- apply_intrusion
+
+# Density
+- calculate_pressure
+- update_density
+- calculate_isostatic_elevation
+
+# Materials
+- update_materials?
+- calculate_crust_solidus
+- calculate_mantle_solidus
+
+# Chronometers
+- calculate_eu
+- he_ages
+- ft_ages
+- calculate_closure_temp
+- calculate_ages_and_tcs
+- calculate_misfit
+
+# Erosion
+- init_ero_types?
+- calculate_erosion_rate
+- calculate_exhumation_magnitude
+
+# Plotting
+- plot_predictions_no_data?
+- plot_predictions_with_data?
+- plot_measurements?
+
+# InputOutput
+- get_write_increment
+- write_tt_history?
+- write_ttdp_history?
+- read_age_data_file
+- create_output_directory?
+- log_output?
+
+# Inversion
+- def objective
+- log_prior
+- log_likelihood
+- log_probability
+
+# Structure
+- check_execs?
+- init_params?
+- prep_model?
+- batch_run?
+- batch_run_na?
+- batch_run_mcmc?
+- run_model?
+"""
+
 
 class TestConversions:
     def test_yr2sec(self):
         year_in_seconds = 31557600.0
-        assert yr2sec(time=1.0) == year_in_seconds
+        assert yr2sec(time_yr=1.0) == year_in_seconds
 
     def test_myr2sec(self):
         myr_in_seconds = 31557600000000.0
-        assert myr2sec(time=1.0) == myr_in_seconds
+        assert myr2sec(time_myr=1.0) == myr_in_seconds
 
     def test_kilo2base(self):
         kilo = 1000.0
@@ -36,8 +111,6 @@ def test_deg2rad(self):
         assert round(deg2rad(value=60.0), 20) == round(deg2rad_test_value2, 20)
         assert round(deg2rad(value=360.0), 20) == round(deg2rad_test_value3, 20)
 
-
-class TestOtherStuff:
     def test_round_to_base(self):
         round_to_base_test_value1 = 750.0
         round_to_base_test_value2 = 10.0
@@ -46,6 +119,11 @@ def test_round_to_base(self):
         assert round_to_base(x=14.9, base=10) == round_to_base_test_value2
         assert round_to_base(x=4500.1, base=1000) == round_to_base_test_value3
 
+
+# class TestThermal:
+
+
+class TestChronometers:
     def test_calculate_eu(self):
         calculate_eu_test_value1 = 100.0
         calculate_eu_test_value2 = 23.8